From diakonos; to be an attendant, i.e. Wait upon (menially or as a host, friend, or (figuratively) teacher); technically, to act as a Christian deacon -- (ad-)minister (unto), serve, use the office of a deacon.

see GREEK diakonos

1. universally: (absolutely ὁ διακονῶν, Luke 22:26); with the dative of person to minister to one; render ministering offices to: John 12:26; Acts 19:22; Philemon 1:13; passive to be served, ministered unto (Winers Grammar, § 39, 1; (Buttmann, 188 (163))): Matthew 20:28; Mark 10:45.

2. Like the Latinministrare, to wait at table and offer food and drink to the guests, (cf. Winer's Grammar, 593 (552)): with the dative of person, Matthew 4:11; Matthew 8:15; Mark 1:13, 31; Luke 4:39; Luke 12:37; Luke 17:8; absolutely ὁ διακονῶν, Luke 22:27; so also of women preparing food, Luke 10:40; John 12:2; (Menander quoted in Athen. 6 c. 46, p. 245 c.; Anacreon () 4, 6; others; passive διακονεῖσθαι ὑπό τίνος, Diodorus 5, 28; Philo, vit. contempl. § 9).

3. to minister, i. e. supply food and the necessaries of life: with the dative of person, Matthew 25:44; Matthew 27:55; Mark 15:41; διηκόνουν αὐτοῖς ἐκ: (Rec. ἀπό) τῶν ὑπαρχόντων αὐταῖς, Luke 8:3; to relieve one's necessities (e. g. by collecting alms): Romans 15:25; Hebrews 6:10 τραπέζαις, to provide, take care of, distribute, the things necessary to sustain life, Acts 6:2. absolutely, those are said διακονεῖν, i. e. to take care of the poor and the sick, who administer the office of deacon (see διάκονος, 2) in the Christian churches, to serve as deacons: 1 Timothy 3:10, 13; 1 Peter 4:11 (many take this last example in a general rather than an official sense).

4. with the accusative of the thing, to minister, i. e. attend to, anything, that may serve another's interests: χάρις διακονουμένῃ ὑφ' ἡμῶν, 2 Corinthians 8:19; (ἁδρότης, ibid. 20); ὅσα διηκόνησε, how many things I owe to his ministration, 2 Timothy 1:18; ἐπιστολή διακονηθεῖσα ὑφ' ἡμῶν, an epistle written, as it were, by our serving as amanuenses, 2 Corinthians 3:3. with the accusative of the thing and the dative of person, to minister a thing unto one, to serve one with or by supplying anything: 1 Peter 1:12; τί εἰς ἑαυτούς, i. e. εἰς ἀλλήλους, to one another, for mutual use, 1 Peter 4:10.