Eugene Luther Vidal vs writer

Eugene Luther Vidal and writer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eugene Luther Vidal	Yes	No	No	No
writer	Yes	No	No	No

Eugene Luther Vidal (noun)	writer (noun)
United States writer (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