"A train driver, engine driver or locomotive driver, commonly known as an engineer in the United States and Canada, and also as a locomotive handler, locomotive ...
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operator, train operator, or motorman, is a person who drives a train. The driver is in charge of, and responsible for operating the engine, as well as the mechanical operation of the train, train speed, and all train handling. In American English, a hostler moves engines around train yards, but does not take them out on the normal tracks; the British English equivalent is a shunter." - (en.wikipedia.org 13.05.2021)