Maksim Gorky vs author

Maksim Gorky and author both are nouns.

Word	Noun	Adjective	Verb	Adverb
Maksim Gorky	Yes	No	No	No
author	Yes	No	Yes	No

Maksim Gorky (noun)	author (noun)
Russian writer of plays and novels and short stories; noted for his depiction of social outcasts	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

Maksim Gorky (verb)	author (verb)
	be the author of