Jean de La Fontaine vs writer

Jean de La Fontaine and writer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jean de La Fontaine	Yes	No	No	No
writer	Yes	No	No	No

Jean de La Fontaine (noun)	writer (noun)
French writer who collected Aesop's fables and published them (1621-1695)	writes (books or stories or articles or the like) professionally (for pay)
	a person who is able to write and has written something