First Baron Lytton vs writer

First Baron Lytton and writer both are nouns.

Word	Noun	Adjective	Verb	Adverb
First Baron Lytton	Yes	No	No	No
writer	Yes	No	No	No

First Baron Lytton (noun)	writer (noun)
English writer of historical romances (1803-1873)	writes (books or stories or articles or the like) professionally (for pay)
	a person who is able to write and has written something