stoker vs fireman

stoker and fireman both are nouns.

Word	Noun	Adjective	Verb	Adverb
stoker	Yes	No	No	No
fireman	Yes	No	No	No

As nouns, stoker and fireman are synonyms defined as:

stoker and fireman: a laborer who tends fires (as on a coal-fired train or steamship)

stoker (noun)	fireman (noun)
a mechanical device for stoking a furnace	play in which children pretend to put out a fire
a laborer who tends fires (as on a coal-fired train or steamship)	a member of a fire department who tries to extinguish fires
	a laborer who tends fires (as on a coal-fired train or steamship)
	a pitcher who does not start the game