officer

Any person in the armed services who holds a position of authority or command.

“an officer is responsible for the lives of his men”

Someone who is appointed or elected to an office and who holds a position of trust.

“he is an officer of the court”

“the club elected its officers for the coming year”

A person authorized to serve in a position of authority on a vessel.

“he is the officer in charge of the ship's engines”

A member of a police force.

“it was an accident, officer”

Direct or command as an officer.