chamberlain, governor, steward

Boyd’s Bible Dictionary:

(man of the chamber). Officer in charge of the king’s chamber (2 Kings 23:11; Esther 1:10,12,15; Dan. 1:8-11). A more dignified office ( Acts 12:20; Rom. 16:23).

Concise Bible Dictionary:

1. Eunuch who had care of the king’s wives and concubines (2 Kings 23:11; Esther 1:10-15; Acts 12:20).
2. Chamberlain, that is, the treasurer or steward of the City of Corinth, whose salutations Paul sent to Rome (Rom. 16:23).

Strong’s Dictionary of Greek Words:

Greek:
οἰκονόμος
Transliteration:
oikonomos
Phonic:
oy-kon-om’-os
Meaning:
from 3624 and the base of 3551; a house-distributor (i.e. manager), or overseer, i.e. an employee in that capacity; by extension, a fiscal agent (treasurer); figuratively, a preacher (of the Gospel)
KJV Usage:
chamberlain, governor, steward