(n.) A superintendent; a supervisor\; as, an overseer of a mill; specifically, one or certain public officers; as, an overseer of the poor; an overseer of highways.

Big Brother auditor boatswain boss chief comptroller controller floor manager floorman floorwalker foreman gaffer ganger head headman inspector manager monitor noncommissioned officer overman proctor sirdar slave driver straw boss subforeman super superintendent superior supervisor surveyor taskmaster visitor