Elmore John Leonard vs writer

Elmore John Leonard and writer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Elmore John Leonard	Yes	No	No	No
writer	Yes	No	No	No

Elmore John Leonard (noun)	writer (noun)
United States writer of thrillers (born in 1925)	writes (books or stories or articles or the like) professionally (for pay)
	a person who is able to write and has written something