Boris Pasternak vs author

Boris Pasternak and author both are nouns.

Word	Noun	Adjective	Verb	Adverb
Boris Pasternak	Yes	No	No	No
author	Yes	No	Yes	No

Boris Pasternak (noun)	author (noun)
Russian writer whose best known novel was banned by Soviet authorities but translated and published abroad (1890-1960)	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

Boris Pasternak (verb)	author (verb)
	be the author of