A recruit (or low ranking Marine in the fleet) who provides assistance to the drill instructor (or unit leaders) in the form of keeping the drill instructor hut (or NCO quarters) tidy and other minor tasks and chores. It is an informal position, the person is selected by the drill instructor and often receives one of the promotions given at the conclusion of basic training. Some units in the fleet also use the term to mean a junior member of an organization assigned duties such as coffee mess and other domestic chores.