Synonyms of slave

1 Syllable
peon, moils, merc, peons, moil, hack, slog
2 Syllables
chattel, workers, bondman, helot, vassal, vassals, toilers, bondmen, esne, gopher, server, slogged, servers, lasted, minions, struggled, toiled, servant, chattels, minion, toiling, fawners, toiler, moiling, worker, struggling, slogging, moiled, forced, gophers, employee
3 Syllables
freelancing, sycophant, bootlicker, jobholder, backscratcher, backslapper, groveler, laboring, underling, travailed, bondwoman, liegeman
4 Syllables
mercenaries, legionnaire, nine-to-fiver