armourer vs skilled worker

armourer and skilled worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
armourer	Yes	No	No	No
skilled worker	Yes	No	No	No

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

Other hypernyms of armourer include skilled workman, trained worker.

armourer (noun)	skilled worker (noun)
a manufacturer of firearms	a worker who has acquired special skills
an enlisted man responsible for the upkeep of small arms and machine guns etc.
a worker skilled in making armor or arms