armourer vs enlisted man

armourer and enlisted man both are nouns.

Word	Noun	Adjective	Verb	Adverb
armourer	Yes	No	No	No
enlisted man	Yes	No	No	No

As nouns, enlisted man is a hypernym of armourer; that is, enlisted man is a word with a broader meaning than armourer:

armourer: an enlisted man responsible for the upkeep of small arms and machine guns etc.
enlisted man: a male enlisted person in the armed forces

armourer (noun)	enlisted man (noun)
a manufacturer of firearms	a male enlisted person in the armed forces
an enlisted man responsible for the upkeep of small arms and machine guns etc.
a worker skilled in making armor or arms