male person vs somebody

male person and somebody both are nouns.

Word	Noun	Adjective	Verb	Adverb
male person	Yes	No	No	No
somebody	Yes	No	No	No

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

male person: a person who belongs to the sex that cannot have babies
somebody: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of male person include individual, mortal, person, someone, soul.

male person (noun)	somebody (noun)
a person who belongs to the sex that cannot have babies	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential