teamster

noun2

1. •
   (US) A person who drives a cargo truck (see Teamster).
2. •
   (historical) A person who drives a team of animals (such as horses or oxen).

   • He turned to the man who spoke. He wore long moustaches after the fashion of teamsters and he wore a widebrim hat with a low round crown. — 1985

noun1

1. •
   A member of the Teamsters labour union, usually a truck driver.