rank and file, rank - the ordinary members of an organization (such as the enlisted soldiers of an army); "the strike was supported by the union rank and file"; "he rose from the ranks to become a colonel"

armorer, armourer, artificer - an enlisted man responsible for the upkeep of small arms and machine guns etc.

charge of quarters - an enlisted man who handles his unit's administrative matters after hours

enlisted person - a serviceman who ranks below a commissioned officer

buck private, common soldier, private - an enlisted man of the lowest rank; "our prisoner was just a private and knew nothing of value"

recruit - a recently enlisted soldier