worker
work.er \'w*r-k*r\ n 1a: one that works esp. at manual or industrial labor or with a particular material - often used in combination 1b: a member of the working class 2: one of the sexually underdeveloped and usu. sterile members of a colony of social ants, bees, wasps, or termites that perform most of the labor and protective duties of the colony 3: a usu. electrotype plate from which printing is done