Luke 22:25  KJV  "And he said unto them, The kings of the Gentiles exercise lordship over them;  and they that exercise authority upon them are called benefactors."

Interpretation based on the following study:  The Son moreover shew forth to teach us about His Kingdom, sphere of His rulership and heart obedience to belong to Him.  He made known the Way and Law, confirming His Rule in His people who belong to Him.  He alone indeed has the Strength, Right and Capacity to Bestow His Benefits and Blessings upon us.  Calling us by name to partake in His Blessing of Salvation and Redemption.

Greek:  ho de eipen autois hoi basileis ton ethnon kurieouosin auton kai hoi exousiazontes auton euergetai kalountai

Definitions/Greek Strong's numbers:

3588-to:  the, which, who, the things, the Son, this, that, one, he

1161-de:  but, and, now, then, also, moreover, nevertheless, for, even

2036-epo:  to speak or say by word or writing, tell, command, appoint, ordain, bid, answer, bring word, call, grant, utter, pour out forth, shew forth, point out, teach, instruct, direct, Word, to flow, water, rain, to lay forth, relate in words, break silence, describe, name, put forth, bringing together of words, ask, inquiry, desire, beg, require, crave, call for, cry after, seek, search for, request, cry out after, discern, judge, determine, distinguish, make known, ascertain, enquire, declare, unfold in teaching, ask after, beseech, pray, intreat, requires an open heart to receive the message, grasp, get hold of, understand, to teach, to learn, need, enlighten, bring light, brighten, kindle, ignite, glow, shine forth, refine, be on fire, burn, mark, own, occupy, possess

846-autos:  self, alone, mine own, self same, this, -selves

3588-to:  the, which, who, the things, the Son, this, that, one, he

935-basileus:  realm, rule, reign, sovereignty, royal power, kingdom, dominion, territory, sphere of rulership and governance at any time where God's rule is acknowledged, beyond nominal allegiance but heart obedience, submission to rulership, from a new birth gifted by the Holy Spirit, one receives a new heart to have a new capacity and desire to know Him, made evidence by heart obedience, only such as do the will of God shall enter His domain or kingdom or rulership to belong fully and completely to God, royalty, govern, sphere in which at any given time God's authority is acknowledged and willingly obeyed, foundation of power, entrance, accession, belonging to a king

3588-to:  the, which, who, the things, the Son, this, that, one, he

1484-ethnos:  a race, of the same habit and custom, tribe, nation, people, multitude, company, multitude of people of the same nature or way, habit or convention, manner or custom, law, accustomed, after the manner or way of, national, customary

2961-kurieuo:  to rule, have dominion over, exercise lordship over, to be lord over, divine authority over, deliverance, supremacy, supreme in authority, controller, Lord, master, God, having power, owner, the one who has disposal of anything, one to whom service is due on any ground, greatest, emperor, king, father, husband, ruler, govern, confirmed, head, chief, principal, central, of importance

846-autos:  self, alone, mine own, self same, this, -selves

2532-kai:  and, also, even, so then too, both, indeed, moreover, therefore

3588-to:  the, which, who, the things, the Son, this, that, one, he

1850-exousiazo:  ability, capacity, competency, freedom, mastery, magistrate, potentate, token of control, authority, power, influence, right, liberty, jurisdiction, strength, lawful, have permission, privilege, power of authority, right to exercise power, the power of rule or government, the power of one whose will and commands must be obeyed, one who possess authority, ruler, to control, bring under the power of, have power and dominion over, principal, prominent, eminence, excellence, supreme, it is right, publicly, lawful, permitted, is, I Am, to be, please well, belong to, endure, continue, remain, established, set

846-autos:  self, alone, mine own, self same, this, -selves

2110-euergetes:  worker of good, benefactor, appropriate, fit, meet, to bestow benefit, beneficence, satisfy with kindness, work of goodness, effort and occupation of good, pleasant deed, laboring to satisfy, pleasing work, acceptable servant, working to bless, laboring to prosper, benefit to favor, worker of righteousness

2564-to call aloud, bid, named, summon, to call by name, to bear a name, vocation, destination, occupation, surname, to cry out after, to order, command, beseech, intreat, show forth, point out, teach, invite, call to partake of a blessing, used with a personal object particularly of a divine call to participate and partake in the blessing of salvation, indicating belonging to, long for, desire

Definitions derived from:  The New Strong's Expanded Exhaustive Concordance of the Bible, red letter edition, Hebrew & Greek Dictionary, 2010 edition.  CWP Teacher edition Interlinear Bible.