writer vs Thomas Edward Lawrence

writer and Thomas Edward Lawrence both are nouns.

Word	Noun	Adjective	Verb	Adverb
writer	Yes	No	No	No
Thomas Edward Lawrence	Yes	No	No	No

writer (noun)	Thomas Edward Lawrence (noun)
writes (books or stories or articles or the like) professionally (for pay)	Welsh soldier who from 1916 to 1918 organized the Arab revolt against the Turks; he later wrote an account of his adventures (1888-1935)
a person who is able to write and has written something