beggarman vs adult male

beggarman and adult male both are nouns.

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

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

Other hypernyms of beggarman include beggar, mendicant, man.

beggarman (noun)	adult male (noun)
a man who is a beggar	an adult person who is male (as opposed to a woman)