Noun

• S: (n) worker (a person who works at a specific occupation) "he is a good worker"
• S: (n) proletarian, prole, worker (a member of the working class (not necessarily employed)) "workers of the world--unite!"
• S: (n) worker (sterile member of a colony of social insects that forages for food and cares for the larvae)
• S: (n) actor, doer, worker (a person who acts and gets things done) "he's a principal actor in this affair"; "when you want something done get a doer"; "he's a miracle worker"