military vs military man

military and military man both are nouns.

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

military (noun)	military man (noun)
the military forces of a nation	someone who serves in the armed forces; a member of a military force

military (adjective)	military man (adjective)
associated with or performed by members of the armed services as contrasted with civilians
characteristic of or associated with soldiers or the military
of or relating to the study of the principles of warfare