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