poet vs John Robinson Jeffers

poet and John Robinson Jeffers both are nouns.

Word	Noun	Adjective	Verb	Adverb
poet	Yes	No	No	No
John Robinson Jeffers	Yes	No	No	No

poet (noun)	John Robinson Jeffers (noun)
a writer of poems (the term is usually reserved for writers of good poetry)	United States poet who wrote about California (1887-1962)