transgendered vs someone

transgendered and someone both are nouns.

Word	Noun	Adjective	Verb	Adverb
transgendered	Yes	Yes	No	No
someone	Yes	No	No	No

As nouns, someone is a hypernym of transgendered; that is, someone is a word with a broader meaning than transgendered:

transgendered: a person who has undergone a sex change operation
someone: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of transgendered include individual, mortal, person, somebody, soul.

transgendered (noun)	someone (noun)
a person who has undergone a sex change operation	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

transgendered (adjective)	someone (adjective)
involving a partial or full reversal of gender