40 Moby Thesaurus words for "blue collar worker":
   breadwinner, casual, casual laborer, common laborer, day laborer,
   employee, factory worker, flunky, free lance, free-lancer,
   full-time worker, hand, industrial worker, jobber, jobholder,
   laborer, laboring man, menial, migrant, moiler, navvy,
   office temporary, proletarian, roustabout, salaried worker,
   self-employed person, servant, stiff, temporary, toiler,
   wage earner, wage slave, wageworker, worker, workgirl, workhand,
   working girl, workingman, workingwoman, workman