manufacturer vs armorer

manufacturer and armorer both are nouns.

Word	Noun	Adjective	Verb	Adverb
manufacturer	Yes	No	No	No
armorer	Yes	No	No	No

As nouns, armorer is a hyponym of manufacturer; that is, armorer is a word with a more specific, narrower meaning than manufacturer:

manufacturer (noun)	armorer (noun)
a business engaged in manufacturing some product	a manufacturer of firearms
someone who manufactures something	an enlisted man responsible for the upkeep of small arms and machine guns etc.
	a worker skilled in making armor or arms