In ships or ferries, the person who steers is called a helmsman. In relatively small boats, the person that steers the boat is called a skipper.
Boatman
A person who drives a boat is typically referred to as a "boat operator" or "boat captain." Depending on the context, they may also be called a "mariner" or "skipper." The specific term can vary based on the type of vessel and the person's role.
A "Pilot" is a person who drives a plane.
A person that drives a passenger actually drives the car for the owner. This special essential person is called a Chauffeur.
Chauffeur
Pilot.
pilot
A musher
A person who drives a car is commonly referred to as a motorist.
taxi driver
Steve Mcmallian
A danger on the road.