Definition from Wiktionary, the free dictionary
boilerman (plural boilermen)
- A person who tends the fire for a steam engine
2009, January 5, “Richard Severo”, in Pat Hingle, Versatile Actor With Recurring Role in Batman Movies, Dies at 84:
- When the war in Korea began he was recalled by the Navy, serving as a boilerman technician. He came to New York in 1952, joined the Actors Studio and began to get parts both onstage and in films.