composer vs Bela Bartok

composer and Bela Bartok both are nouns.

Word	Noun	Adjective	Verb	Adverb
composer	Yes	No	No	No
Bela Bartok	Yes	No	No	No

composer (noun)	Bela Bartok (noun)
someone who composes music, usually as a profession	Hungarian composer and pianist who collected Hungarian folk music; in 1940 he moved to the United States (1881-1945)