composer vs Richard Rodgers

composer and Richard Rodgers both are nouns.

Word	Noun	Adjective	Verb	Adverb
composer	Yes	No	No	No
Richard Rodgers	Yes	No	No	No

composer (noun)	Richard Rodgers (noun)
someone who composes music, usually as a profession	United States composer of musical comedies (especially in collaboration with Oscar Hammerstein II and with Lorenz Hart) (1902-1979)