writer vs Feodor Dostoyevsky

writer and Feodor Dostoyevsky both are nouns.

Word	Noun	Adjective	Verb	Adverb
writer	Yes	No	No	No
Feodor Dostoyevsky	Yes	No	No	No

writer (noun)	Feodor Dostoyevsky (noun)
writes (books or stories or articles or the like) professionally (for pay)	Russian novelist who wrote of human suffering with humor and psychological insight (1821-1881)
a person who is able to write and has written something