courtier vs adult male

courtier and adult male both are nouns.

Word	Noun	Adjective	Verb	Adverb
courtier	Yes	No	No	No
adult male	Yes	No	No	No

As nouns, adult male is a hypernym of courtier; that is, adult male is a word with a broader meaning than courtier:

Other hypernyms of courtier include attendant, attender, tender, man.

courtier (noun)	adult male (noun)
an attendant at the court of a sovereign	an adult person who is male (as opposed to a woman)