A coal miner (as distinguished from other type of miners).(noun)
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Use "coalman" in a sentence
"In the meantime, Avni approached the engine car and ordered the engineer and the coalman to get out and lie on the ground as far as possible from the train."
"This morning there had been some problem with the coalman, who had tried to deliver enough coal for a winter month when it was already April."
"If Samuel had not yelled out 'Oi!' quite so loud when the coalman come and tried to pull one over on him, ma'am, I would not have dropped the cup."