painter vs Le Douanier Rousseau

painter and Le Douanier Rousseau both are nouns.

Word	Noun	Adjective	Verb	Adverb
painter	Yes	No	No	No
Le Douanier Rousseau	Yes	No	No	No

painter (noun)	Le Douanier Rousseau (noun)
large American feline resembling a lion	French primitive painter (1844-1910)
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