fire marshal vs fire fighter

fire marshal and fire fighter both are nouns.

Word	Noun	Adjective	Verb	Adverb
fire marshal	Yes	No	No	No
fire fighter	Yes	No	No	No

As nouns, fire fighter is a hypernym of fire marshal; that is, fire fighter is a word with a broader meaning than fire marshal:

Other hypernyms of fire marshal include fire-eater, firefighter, fireman.

fire marshal (noun)	fire fighter (noun)
the head of a fire department	a member of a fire department who tries to extinguish fires