'Office' in the Bible

and Johanan became the father of Azariah (it was he who served as the priest in the house which Solomon built in Jerusalem),

They ministered with song before the tabernacle of the tent of meeting, until Solomon had built the house of the Lord in Jerusalem; and they served in their office according to their order.

All these who were chosen to be gatekeepers at the thresholds were 212. These were enrolled by genealogy in their villages, whom David and Samuel the seer appointed in their office of trust.

for the four chief gatekeepers who were Levites, were in an office of trust, and were over the chambers and over the treasuries in the house of God.

For their office is to assist the sons of Aaron with the service of the house of the Lord, in the courts and in the chambers and in the purifying of all holy things, even the work of the service of the house of God,