1. (n.) One who does business in the way of barter or exchange.

2. (n.) One who drives a truck, or whose business is the conveyance of goods on trucks.

Jehu Sunday driver backseat driver bullwhacker bus driver busman cabby cabdriver cabman cameleer carter cartman charioteer chauffeur coachman coachy cocher cochero drayman driver elephant driver gharry-wallah hack hackdriver hackman hacky harness racer hit-and-run driver jitney driver joyrider mahout motorist mule skinner muleteer reinsman road hog skinner speeder stage coachman taxidriver teamster truck driver trucker vetturino voiturier wagoner wagonman whip