officer

noun

1. anyone elected or appointed to an office or position of authority in a government, business, institution, society, etc.
2. a police officer or constable
3. a person appointed to a position of authority in the armed forces; specif., commissioned officer
4. the captain or any of the mates of a merchant ship
5. in certain honorary societies, a member of any grade above the lowest

transitive verb

1. to provide with officers
2. to command; direct; manage