From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( n.) One who, or that which, works; a laborer; a performer; as, a worker in brass.

(2): ( n.) One of the neuter, or sterile, individuals of the social ants, bees, and white ants. The workers are generally females having the sexual organs imperfectly developed. See Ant, and White ant, under White.

King James Dictionary [2]

Worker, n. One that works one that performs.