oikonomos (Greek #3623)
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.
Pronounce: oy-kon-om'-os
Origin: from 3624 and the base of 3551