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