banderillero vs bullfighter

banderillero and bullfighter both are nouns.

Word	Noun	Adjective	Verb	Adverb
banderillero	Yes	No	No	No
bullfighter	Yes	No	No	No

As nouns, bullfighter is a hypernym of banderillero; that is, bullfighter is a word with a broader meaning than banderillero:

banderillero: the bullfighter who implants decorated darts (banderillas) into the neck or shoulders of the bull during a bull fight
bullfighter: someone who fights bulls

Other hypernyms of banderillero include toreador.

banderillero (noun)	bullfighter (noun)
the bullfighter who implants decorated darts (banderillas) into the neck or shoulders of the bull during a bull fight	someone who fights bulls