1) Boatman of a kind 2) Boatman on the isis 3) Certain boat propeller 4) Draft horse 5) Draught horse 6) Dray horse 7) Gondola driver 8) Gondola guide 9) Gondola guy 10) Gondola helmsman 11) Gondola navigator 12) Gondola operator 13) Gondola pusher 14) Gondolier 15) Gondolier kin 16) Gondolier, often 
• (n.) An extortioner. See Poller. • (n.) One who poles.
Pol'er noun One who poles. 
Poler is Australian slang for an idler or sponger.