baton twirler vs performer

baton twirler and performer both are nouns.

Word	Noun	Adjective	Verb	Adverb
baton twirler	Yes	No	No	No
performer	Yes	No	No	No

As nouns, performer is a hypernym of baton twirler; that is, performer is a word with a broader meaning than baton twirler:

baton twirler: someone who twirls a baton
performer: an entertainer who performs a dramatic or musical work for an audience

Other hypernyms of baton twirler include performing artist.

baton twirler (noun)	performer (noun)
someone who twirls a baton	an entertainer who performs a dramatic or musical work for an audience