teamster

noun

1. a person who drives a team or a truck for hauling, especially as an occupation.
2. a member of the Teamsters Union.

noun

1. a driver of a team of horses used for haulage
2. US and Canadian the driver of a lorry

n.“person who drives a team of horses” (especially in hauling freight), 1777, from team (n.) + -ster. Transferred to motor truck drivers by 1907.