oarsman(n = noun.person) rower - someone who rows a boat;
is a kind of boater, boatman, waterman
has particulars: oarswoman, sculler, stroke
Derived form noun oarsmanship₁

   One who uses, or is skilled in the use of, an oar; a rower. [1913 Webster]
"At the prow of the boat, rose one of the oarsmen." [1913 Webster]

oarsman, n. (pl. -men; fem. oarswoman, pl. -women) a rower.

Derivative:
oarsmanship n.

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.