THESAURUS
galley slave
bargee, bargeman, barger, beast of burden, boat-handler, boater, boatman, boatsman, bondmaid, bondman, bondslave, bondsman, bondswoman, captive, chattel, chattel slave, churl, concubine, debt slave, dray horse, drudge, fag, ferrier, ferryman, gondolier, greasy grind, grind, grub, hack, helot, homager, liege, liege man, liege subject, lighterman, oar, oarsman, odalisque, peon, plodder, punter, rower, serf, servant, slave, slavey, slogger, subject, swot, theow, thrall, toiler, vassal, villein, waterman, workhorse, yachter, yachtsman