donkeyman

Etymology

From donkey + -man.

donkeyman means the person who operates a donkey engine. Lexicurio rates it Sui generis — a strength score of 88 out of 100.

noun

The person who operates a donkey engine.
The person in charge of a ship's engine room.“One of the stokers was disabled, the others had given in, the second engineer and the donkey-man were firing-up. The third engineer was standing by the steam-valve. The engines were being tended by hand.”