military man vs skilled worker

military man and skilled worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
military man	Yes	No	No	No
skilled worker	Yes	No	No	No

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

military man: someone who serves in the armed forces; a member of a military force
skilled worker: a worker who has acquired special skills

Other hypernyms of military man include skilled workman, trained worker.

military man (noun)	skilled worker (noun)
someone who serves in the armed forces; a member of a military force	a worker who has acquired special skills