A jailer.

(military, nautical) A naval officer with the rank of rear admiral or above. Such officers are entitled to fly a personal flag, especially on the flagship.

plural of office mate

Individual required to maintain accounting, including records thereof, of property and funds, whether public or quasi-public. The accountable officer may or may not have physical possession of the property or funds.

The times, typically from about 9am to 5pm, Monday to Friday, when non-24/7 office workers are at their desks.

A non-commissioned officer in the Canadian, US and UK Navy and the US Coast Guard; roughly equivalent to a sergeant in the army

(military) An officer holding rank by virtue of a warrant rather than a commission. / (law enforcement) An officer assigned to execute warrants and other writs.

(countable) A place (building, office, shop, or counter) concerned with the business of delivering letters, post or mail and selling stamps, etc. / (countable) An organisation that delivers letters.

(military) An officer who fulfills a non-combat support function, often in a headquarters or planning office.

An office or booth where tickets may be purchased to allow admittance or for travel.