Vladimir vladimirovich Nabokov vs writer

Vladimir vladimirovich Nabokov and writer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vladimir vladimirovich Nabokov	Yes	No	No	No
writer	Yes	No	No	No

Vladimir vladimirovich Nabokov (noun)	writer (noun)
United States writer (born in Russia) (1899-1977)	writes (books or stories or articles or the like) professionally (for pay)
	a person who is able to write and has written something