Power and Authority to Preach, Heal, and Deliver

Oct 9

October 9, 2026

The Commission in Luke 9:1-2

Power is the ability to act; authority is the right to act under a commission. These related meanings introduce the ministry Jesus entrusted to the Twelve. Luke 9:1-2 places both gifts within one assignment: proclaiming God's kingdom, healing sickness, and delivering people from demonization. The passage begins with Jesus gathering His disciples. Their ministry proceeds from His initiative, His gift, and His command. They do not establish the mission themselves. They receive what is necessary to carry out the work He assigns.

The NKJV describes their commission as receiving “power and authority over all demons, and to cure diseases” and being sent to “preach the kingdom of God and to heal the sick.” These expressions belong together. The proclamation announces God's reign, while healing and deliverance demonstrate its effect in the lives of those receiving ministry. Jesus gives the disciples both a message to declare and work to perform. The words explain the deeds, and the deeds give visible expression to the message.

The Greek vocabulary clarifies this relationship without replacing the narrative. Power concerns effective ability. Authority concerns authorized action. Preaching concerns proclamation. Healing concerns restoration. Casting out concerns the departure of demons. Each meaning contributes to understanding the commission as Jesus gives it. The following passages develop these same concepts through the sending of the disciples, their actual ministry, and the events recorded in Acts. The subject remains the work of Jesus carried forward through those whom He sends.

Power and Authority Given by Jesus

The Greek noun dunamis, translated power in Luke 9:1, can describe ability, strength, or effective power. Here its meaning is determined by the tasks immediately named. Jesus enables the Twelve to minister where demons and disease have affected people's lives. The emphasis is not simply that the disciples feel courageous or speak persuasively. They receive power for the particular work of healing and deliverance. The gift is directed toward the needs of others within the proclamation of God's kingdom.

The noun exousia, translated authority, concerns a right, authorization, or jurisdiction. Alongside dunamis, it identifies the disciples as acting under Jesus' commission. Ability and authorization are distinguishable, although the words have overlapping uses in Greek. Luke brings them together because the mission involves both. Jesus supplies the power and authorizes its exercise. Their authority remains connected to Him as the giver. Nothing in the wording presents the disciples as independent sources of the power they exercise.

Matthew 10:1 uses exousia where the NKJV uses the English word power. Mark 3:15 and Mark 6:7 likewise use this Greek noun. This correspondence helps explain why English wording must be read with attention to the underlying term and its context. In these passages, power includes the idea of authority granted by Jesus. The accounts describe one commission from complementary perspectives, emphasizing His right to send and the disciples' authorization to act.

The scope of the gift includes every demon in Luke's statement and every kind of sickness and disease in Matthew's account. These expressions emphasize the breadth of Jesus' commission. The disciples are not told to distinguish between demons that acknowledge His authority and demons beyond His jurisdiction. Their assignment rests on His authority over the entire demonic realm addressed in the passage. Disease is also brought within the work He authorizes them to undertake.

Being with Him and Being Sent

Mark 3:14-15 connects appointment, fellowship with Jesus, proclamation, healing, and deliverance. Jesus appoints the Twelve to accompany Him and to be sent by Him. Their relationship with Him belongs to the account before their activity is described. The narrative does not introduce a ministry detached from the One who appoints them. Their work grows out of being His disciples and receiving His commission. They are entrusted with a mission that reflects the ministry in which He has involved them.

The Greek verb apostello means to send or dispatch. In these settings, Jesus sends particular people to carry out an assigned task. The significance lies in who sends them and what He instructs them to do. The disciples do not merely travel. They go as representatives entrusted with His message and ministry. Their movement from His presence into towns and villages gives practical expression to the sending described by the verb.

Mark 6:7 records their departure in pairs and their authority over unclean spirits. The Greek expression for unclean spirits identifies the spiritual beings over whom authority is granted. It is not a description of the worth of the people receiving deliverance. The people are the recipients of ministry; the spirits are the objects of expulsion. Keeping that distinction clear preserves the direction of the commission: Jesus authorizes His disciples to confront demons so that people may be delivered from demonization.

Proclaiming the Kingdom of God

The Greek verb kerusso means to proclaim or announce as a herald. It emphasizes the public declaration of a message. In Luke 9:2, the message is God's kingdom. The disciples are sent to make known what Jesus has entrusted to them. Their proclamation does not originate in their personal reputation or achievements. They announce the reign of God as commissioned messengers. The authority of the message is inseparable from the authority of the One who sends them.

Basileia, the Greek noun translated kingdom, can refer to kingship, royal rule, or the realm under that rule. In these passages, God's active reign is central. The disciples announce that His kingdom has drawn near, and they minister to the sick and demonized. The kingdom language therefore gives the ministry its governing subject. Healing and deliverance are presented within the announcement of God's reign, rather than as disconnected wonders whose significance must be supplied from elsewhere.

Matthew 10:7-8 joins proclamation with commands concerning sickness, leprosy, death, and demons. Jesus' instructions call for tangible acts of ministry alongside the spoken announcement. The disciples receive freely and are directed to give freely. Their activity is consequently shaped by what has been entrusted to them. The passage portrays the commission as a gift expressed in service to people whose needs are brought before them. Proclamation and compassionate action remain joined in the assignment.

The movement from announcement to action does not reduce preaching to an explanation of miracles. The kingdom itself remains the message. Equally, the commands to heal and deliver are not incidental details beside the proclamation. They are stated responsibilities within the same sending. Reading the instructions together preserves the unity of the passage: Jesus commissions speech that announces God's kingdom and ministry that addresses the sickness and demonization encountered among the people.

Healing as Restoration

Luke 9:1 uses therapeuo for curing diseases, while Luke 9:2 uses iaomai for healing the sick. Therapeuo can mean to serve, attend, or heal; in the presence of disease, healing is the relevant sense. Iaomai likewise means to heal or restore. The two verbs overlap here. Their use does not establish separate grades of healing or different levels of spiritual power. Both direct attention to the restoration of people who are sick.

The noun nosos means disease or sickness. Matthew 10:1 also uses malakia, a word for weakness or infirmity, in its description of the conditions addressed. The vocabulary encompasses sickness and bodily weakness without making either term a name for a demon. The commission includes authority over demons and the healing of disease. These are associated activities, but the wording preserves their distinct objects. A careful reading allows both healing and deliverance to be understood without merging every sickness into demonization.

Luke 10:1, 9 extends the account of sending beyond the Twelve. Jesus appoints additional disciples and sends them ahead to places He intends to visit. Their instructions include healing the sick and announcing the nearness of God's kingdom. The same connection between proclamation and restoration appears again. The ministry is carried into particular communities and directed toward people actually present there. Its setting is the ordinary life of towns and households reached by the messengers.

Healing in these passages concerns the people Jesus sends His disciples to serve. The vocabulary points toward restored health, and the surrounding narrative supplies the visible setting. The ministry is more than discussion about divine ability. Jesus instructs His messengers to act upon the commission they have received. Their announcement of God's kingdom and their ministry to the sick belong to the same encounter with those who receive them.

Deliverance from Demonization

The Greek noun daimonion identifies a demon. The verb ekballo means to cast out, expel, or drive out. Together, the vocabulary describes an action directed against demonic spirits, with deliverance as the result for the person receiving ministry. The emphasis falls on the demons' departure under the authority of Jesus. The disciples are not sent merely to describe demonization or observe its effects. They are authorized to cast demons out.

The terms demonized and demonization describe the condition addressed in this discussion. They do not replace the different Greek words used in each passage. Some passages speak directly of demons; others describe unclean spirits or evil spirits. The English explanation must preserve those distinctions while recognizing the shared subject of deliverance. These accounts identify spiritual beings confronted through the ministry authorized by Jesus. They do not supply a detailed classification system for every possible form of demonization.

Luke 10:17 records the returning disciples' joy that demons submitted to them through Jesus' name. The language of submission describes yielding to authority. Their report therefore directs attention to the effectiveness of the authority exercised in His name. Jesus' name identifies the One whose authority stands behind their action. Their success is reported as dependence upon Him, rather than as proof that they have become the source of their own spiritual power.

Luke 10:18-19 connects their ministry with Satan's defeat and Jesus' grant of authority over the enemy's power. Exousia and dunamis appear again, now distinguishing the authority given to the disciples from the enemy's power. The comparison reinforces the source of their confidence: Jesus authorizes their ministry. The imagery of serpents and scorpions belongs within His statement about the enemy. The passage emphasizes the authority of the commission and the supremacy of the One who gives it.

The distinction between expelling and healing also sharpens the description of results. When a spirit departs, the narrative names departure; when bodily strength returns, it names restoration. These verbs help the reader follow what happens without supplying details the passage does not give. The focus stays on Jesus' effective authority and the particular benefit received by the person to whom His servants minister.

The Disciples Carry Out the Commission

Mark 6:12-13 describes the disciples doing what Jesus had assigned. They proclaim repentance, expel demons, and minister healing with anointing oil. The report brings spoken proclamation and restorative action into the same account. Their departure produces ministry among people, rather than leaving the commission as an unrealized instruction. The narrative moves from Jesus' gift of authority to the disciples' exercise of it. The correspondence between command and action is direct.

Repentance is expressed by the Greek verb metanoeo, meaning to repent, involving a change of mind and direction. In the disciples' preaching, people are called to respond to the message being announced. The proclamation is therefore addressed to human response as well as human need. Healing and deliverance do not remove the call to repentance from the ministry. Mark records them together, showing the disciples announcing a response to God while ministering to the sick and demonized.

Luke 9:6 uses the language of announcing good news as the disciples move through the villages. The Greek verb euangelizo concerns proclaiming good news. Alongside kerusso, it illuminates another aspect of their speech: they herald a message whose content is good news. Luke also records their healing activity. The mission unfolds through actual movement among communities, bringing the announcement and its accompanying ministry to people across the places they visit.

Mark's mention of oil belongs to his description of the disciples' obedience. The anointing accompanies ministry to sick people, while the expulsion of demons is stated separately. The text records what the disciples did and the healing that followed. Reading those details in their immediate setting preserves the report's emphasis on the commission being carried out among those who needed its ministry.

Deliverance Reveals the Kingdom

Matthew 12:28 supplies Jesus' own explanation of the relationship between deliverance and God's kingdom. He identifies His expulsion of demons through God's Spirit as evidence that God's kingdom has reached His hearers. Deliverance is thus interpreted by Jesus Himself. The departure of demons points beyond the immediate event to the presence and action of God's reign. The kingdom is being manifested where demonic activity is overcome through the Spirit of God.

The Greek verb phthano, used in the statement about the kingdom's arrival, conveys reaching or coming upon. In this context, Jesus speaks of an arrival already confronting His audience. His explanation places deliverance within the present activity of God. The event requires recognition of the kingdom's nearness and power. It cannot be understood adequately by focusing only on the demon that departs while overlooking the divine reign that Jesus declares to be present.

This connection clarifies the commission given to the disciples. They announce God's kingdom and cast out demons under Jesus' authority. The message and ministry share the same direction. Their activity bears witness to the reign they proclaim because Jesus has joined these responsibilities in His instructions. Deliverance serves people affected by demonization while also revealing the authority of God's kingdom. Its significance is supplied by Jesus' words and the work He authorizes.

Healing and Bold Proclamation in Acts

Acts 3:6-8 records Peter addressing a man unable to walk and commanding movement in the name of Jesus Christ of Nazareth. Peter takes his hand, and the man's feet and ankles receive strength. The account describes the restoration in concrete bodily terms: the man stands, walks, and praises God. The result is publicly observable. The name of Jesus remains central to the command, while the restored man responds by honoring God.

The account's detail matters. Healing is described through the strengthening of the affected parts of the body and the movement that follows. The Greek verb stereoo means to strengthen or make firm. Its use directs attention to what happens to the man's feet and ankles. The restoration is not presented merely as a change in outlook. His newly received strength becomes evident as he begins walking and enters the temple with the apostles.

Acts 4:29-31 brings proclamation and healing into the believers' prayer. They ask God for courage to speak while He acts through healing and extraordinary works associated with Jesus' name. The Greek noun parrhesia conveys boldness, openness, or confidence in speaking. Their request concerns the clear declaration of God's message despite threats. The prayer preserves their dependence: God grants boldness and performs the works for which they ask.

The believers are filled with the Holy Spirit and continue speaking boldly. This response keeps the word of God central to the account. Their prayer does not separate divine action from proclamation or treat signs as a replacement for speech. They seek God's action as they bear witness to His message. The relationship already visible in the Gospel commission continues: the name of Jesus, the work of the Spirit, healing, and proclamation belong within the same ministry.

Healing and Deliverance among the People

Acts 5:12-16 portrays extensive ministry through the apostles. People bring the sick and those troubled by unclean spirits, and the account reports their healing. The descriptions distinguish sickness from the activity of spirits while gathering both within the ministry taking place. The scene concerns people receiving help through God's work. The apostles' activity becomes known beyond a single encounter, drawing people from surrounding communities into the unfolding ministry.

Acts 8:5-7, 12 places Philip's proclamation of Christ beside deliverance and physical healing in Samaria. Demons depart, and people with paralysis and lameness receive healing. Philip also announces God's kingdom and Jesus Christ's name. His hearers respond with belief and baptism. The narrative gives the proclamation identifiable content and describes identifiable results. Christ remains the subject of the message while healing and deliverance accompany its announcement.

These accounts expand the geographical setting without changing the central connection. The ministry reaches crowds, nearby communities, and Samaria. The people encountered have different needs, yet the narratives continue to join proclamation with the work of God among them. Philip's ministry also demonstrates that the account is not confined to the original Twelve acting together. The same subjects appear in his work: Christ, the kingdom, deliverance from demonization, healing, and a response to the message.

The repeated references to people receiving ministry keep the accounts concrete. Towns contain sick inhabitants; crowds bring particular needs; Philip addresses hearers who can respond to his proclamation. The commission reaches these people through messengers who speak and act. Its vocabulary is fulfilled in encounters where the kingdom is announced and the needs described in the text are addressed.

The Lord Confirms His Message

Acts 14:3 identifies the Lord as confirming the message of grace through signs and wonders performed through Paul and Barnabas. The Greek noun semeion means a sign, something that points beyond itself. Teras describes a wonder, emphasizing its extraordinary character. Within this passage, the signs testify to the message being spoken. Their significance is explicitly related to the Lord's confirmation of His word, keeping the ministry centered upon Him.

Acts 19:11-12 similarly identifies God as the One performing exceptional miracles through Paul. Diseases leave and evil spirits depart. The account preserves both divine agency and human participation: God works through His servant. Its description of extraordinary circumstances emphasizes what God does without turning those circumstances into an independent source of power. Healing and deliverance again appear together as effects of His action among people.

Each account gives substance to the ministry Jesus first commissioned. Across these passages, the commission remains clear. Jesus gives power and authority, sends His messengers, and directs them to announce God's kingdom while healing and delivering. The Greek terms illuminate the ability given, the authority entrusted, the message proclaimed, and the restoration accomplished. The Gospel accounts describe the commission and its fulfillment among the disciples; Acts records related ministry through Jesus' name and God's active power. Preaching, healing, and deliverance remain joined in this witness to the kingdom of God.

Bruce Hines