enlisted person vs military man

enlisted person and military man both are nouns.

Word	Noun	Adjective	Verb	Adverb
enlisted person	Yes	No	No	No
military man	Yes	No	No	No

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

enlisted person: a serviceman who ranks below a commissioned officer
military man: someone who serves in the armed forces; a member of a military force

Other hypernyms of enlisted person include man, military personnel, serviceman.

enlisted person (noun)	military man (noun)
a serviceman who ranks below a commissioned officer	someone who serves in the armed forces; a member of a military force