n.
1) to hire, take on a worker
2) to retrain; train workers
3) to organize, unionize workers
4) to dismiss, fire, sack (colloq.) a worker; to make a worker redundant (as by eliminating her/his job) (BE)
5) an efficient, hard, indefatigable; idle; meticulous worker
6) a blue-collar (esp. AE); full-time; immigrant; migrant; office; part-time; skilled; social; undocumented (AE); unemployed; unskilled; white-collar worker