My father was a truck driver.
truck driver (commonly referred to as a trucker, that's it
Yes, he did it for 20 years.
a truckie in Australia and New Zealand; a lorry driver, or driver in Ireland, the United Kingdom, 
He never was a trucker outside the US.
Trucker Path is an American transportation network company 
I have heard of them before.
Transportation network company
A transportation network company (TNC), sometimes known as a mobility service provider (MSP) is a company that matches passengers with vehicles, via websites and mobile apps. TNCs for automobiles are commonly referred to as ride-hailing services, and TNCs exist for aircraft and watercraft as well. TNCs are examples of the sharing economy and shared mobility. 
TNCs have been noted for providing service in less populated or poorer areas that are not regularly served by taxicabs, and charging lower rates than taxicabs,
Truck driver
A truck driver (commonly referred to as a trucker, teamster or driver in the United States and Canada; a truckie in Australia and New Zealand; a lorry driver, or driver in Ireland, the United Kingdom, India, Nepal and Pakistan) is a person who earns a living as the driver of a truck (usually a semi truck, box truck or dump truck).
Duties and functions.
Truck drivers provide an essential service to industrialized societies by transporting finished goods and raw materials over