composer vs Igor Stravinsky

composer and Igor Stravinsky both are nouns.

Word	Noun	Adjective	Verb	Adverb
composer	Yes	No	No	No
Igor Stravinsky	Yes	No	No	No

composer (noun)	Igor Stravinsky (noun)
someone who composes music, usually as a profession	composer who was born in Russia but lived in the United States after 1939 (1882-1971)