painter vs Lee Krasner

painter and Lee Krasner both are nouns.

Word	Noun	Adjective	Verb	Adverb
painter	Yes	No	No	No
Lee Krasner	Yes	No	No	No

painter (noun)	Lee Krasner (noun)
large American feline resembling a lion	United States artist remembered for her spontaneous approach to painting; she was a founder of the New York school of abstract expressionism (1908-1984)
a line that is attached to the bow of a boat and used for tying up (as when docking or towing)
an artist who paints
a worker who is employed to cover objects with paint