writer vs First Baron Lytton

writer and First Baron Lytton both are nouns.

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

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