1: ἐπί
(Strong's #1909 2849 — Preposition — ho epi tou koitonos — ep-ee' )

lit., "the (one) over the bedchamber" (epi, "over," koiton, "a bedchamber"), denotes "a chamberlain," an officer who had various duties in the houses of kings and nobles. The importance of the position is indicated by the fact that the people of Tyre and Sidon sought the favor of Herod Agrippa through the mediation of Blastus, Acts 12:20 .

Romans 16:23