waterman(n = noun.person) boater, boatman - someone who drives or rides in a boat;
is a kind of worker
has particulars: canoeist, paddler, ferryman, gondolier, gondoliere, oarsman, rower, punter

1.  A man who plies for hire on rivers, lakes, or canals, or in harbors, in distinction from a seaman who is engaged on the high seas; a man who manages fresh-water craft; a boatman; a ferryman. [1913 Webster]

2.  An attendant on cab stands, etc., who supplies water to the horses. Dickens. [1913 Webster]

3.  A water demon. Tylor. [1913 Webster]

waterman, n. (pl. -men)
1 a boatman plying for hire.
2 an oarsman as regards skill in keeping the boat balanced.

N  sailor, mariner, navigator, seaman, seafarer, seafaring man, dock walloper, tar, jack tar, salt, able seaman, A, B, man-of-war's man, bluejacket, galiongee, galionji, marine, jolly, midshipman, middy, skipper, shipman, boatman, ferryman, waterman, lighterman, bargeman, longshoreman, bargee, gondolier, oar, oarsman, rower, boatswain, cockswain, coxswain, steersman, pilot, crew, aerial navigator, aeronaut, balloonist, Icarus, aeroplanist, airman, aviator, birdman, man-bird, wizard of the air, aviatrix, flier, pilot, test pilot, glider pilot, bush pilot, navigator, flight attendant, steward, stewardess, crew, astronaut, cosmonaut, parachutist, paratrooper.