A Word-Study Chart · The Right to Act in His Name
exousia · authority · the right, the jurisdiction, the delegated permission
not raw power, but the legal right to wield it — given to us by the King
One word · right, not might
This pairing changes everything. δύναμις is force, ability, might — the energy to get something done. ἐξουσία is the right to do it — delegated jurisdiction, permission, sanctioned authority. A small officer with a raised hand stops a truck a hundred times his strength, because he carries authority that is not his own. So when Jesus sends us against the enemy, He gives us both: "power and authority over all demons" (Luke 9:1). The enemy may have power; the believer carries the higher authority of the King.
All authority belongs to the risen Christ. He wielded it over demons, disease, and sin — then delegated it to His followers, secured it at the cross, and taught us to exercise it as those who are themselves under His authority.
The source: every right in heaven and earth is His.
ἐδόθη μοι πᾶσα ἐξουσία ἐν οὐρανῷ καὶ ἐπὶ γῆς
edothē moi pasa exousia
All authority has been given to Me in heaven and on earth.
"All" — without remainder. Every right in both realms is vested in the risen Christ. Whatever authority we carry is downstream of this: it is His, lent to us, never independently our own.
It was His authority, not just His power, that astonished people.
κατ' ἐξουσίαν καὶ τοῖς πνεύμασι τοῖς ἀκαθάρτοις ἐπιτάσσει
kat' exousian … epitassei
What new doctrine is this? For with authority He commands even the unclean spirits, and they obey Him.
The crowds named it exactly: He spoke with authority, and demons obeyed. The same authority forgave sins (Matt 9:6) and stilled storms. Authority commands; it does not beg.
What was His He handed to ordinary disciples — then and now.
δίδωμι ὑμῖν τὴν ἐξουσίαν τοῦ πατεῖν ἐπάνω ὄφεων καὶ σκορπίων
didōmi hymin tēn exousian
Behold, I give you the authority to trample on serpents and scorpions, and over all the power of the enemy.
Note the words precisely: He gives us authority (exousia) over all the enemy's power (dunamis). Our authority outranks his power. Earlier He "gave them power and authority over all demons" (Luke 9:1) — both, together, for the work.
The cross stripped the enemy's claim; we are seated above it in Christ.
ἀπεκδυσάμενος τὰς ἀρχὰς καὶ τὰς ἐξουσίας ἐδειγμάτισεν ἐν παρρησίᾳ
apekdysamenos tas archas kai tas exousias
Having disarmed the principalities and authorities, He made a public spectacle of them, triumphing over them in it.
At the cross Christ disarmed the hostile authorities and paraded them defeated. And He raised us up to sit "far above all rule and authority" in Him (Eph 1:21; 2:6). We confront a beaten foe from a seat of victory, not a battle still in doubt.
The centurion understood: authority flows through submission.
καὶ γὰρ ἐγὼ ἄνθρωπός εἰμι ὑπὸ ἐξουσίαν
kai gar egō … hypo exousian
For I also am a man under authority, having soldiers under me. And I say to this one, "Go," and he goes.
Jesus marveled at this faith. The centurion's commands carried weight precisely because he was himself under authority. So with us: our authority is real only as we stay submitted to Christ and abiding in Him. Authority is exercised from a posture of obedience, never independence.
Because authority is delegated, it cannot be faked or borrowed by those who do not carry it. The most chilling scene in Acts shows men using the right words with no real relationship behind them — and the demon called their bluff.
τὸν Ἰησοῦν γινώσκω καὶ τὸν Παῦλον ἐπίσταμαι· ὑμεῖς δὲ τίνες ἐστέ;
ton Iēsoun ginōskō … hymeis de tines este?
Jesus I know, and Paul I know; but who are you? Then the man in whom the evil spirit was leaped on them … and overpowered them.
They invoked "the Jesus whom Paul preaches" as a formula — without belonging to Him. Authority is not a magic phrase; it rests on a real relationship with the One who grants it. Words without that backing are empty, and the enemy knows the difference.
ἐρρύσατο ἡμᾶς ἐκ τῆς ἐξουσίας τοῦ σκότους
ek tēs exousias tou skotous
…He has delivered us from the authority of darkness and conveyed us into the kingdom of the Son of His love.
There is a real "authority of darkness" — but it is the jurisdiction we have been rescued out of. The enemy's authority over the believer is broken; we now belong to another kingdom and answer to another King.
The believer's authority is not arrogance and not a performance. It is the quiet confidence of one who knows whose name they carry and whose seat they occupy. We don't fight for victory; we enforce a victory already won at the cross, from a place "far above" the enemy in Christ.
So we command in His authority — over sickness, over the demonic, over the works of darkness — as servants under orders, abiding in the King. And we keep Jesus' own caution in view: Luke 10:20 — rejoice less that the spirits submit, and more that your names are written in heaven. The authority is real; the relationship is everything.
Right without ability is hollow; ability without right is lawless. Jesus gives both — "power and authority over all demons" (Luke 9:1). The Spirit supplies the δύναμις; Christ grants the ἐξουσία. Read this guide alongside the study on dunamis: the two words are partners, not rivals.
The centurion saw it, and Jesus praised him for it: a person commands with authority only because they are themselves under authority. Independence forfeits it; pride short-circuits it. We carry weight against the enemy exactly to the degree that we stay surrendered to, and abiding in, Christ.
| Word | Greek | Sense & key texts |
|---|---|---|
| exousia | ἐξουσία | Authority, right, jurisdiction — Matt 28:18; Luke 10:19; John 1:12. |
| dunamis | δύναμις | Power, ability, might (the partner word) — Luke 9:1; Acts 1:8. |
| exousiazō | ἐξουσιάζω | To exercise authority over — Luke 22:25; 1 Cor 6:12; 7:4. |
| archē | ἀρχή | Rule, ruler, principality (often paired with exousia) — Eph 1:21; Col 2:15. |