Sir John Suckling vs courtier

Sir John Suckling and courtier both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sir John Suckling	Yes	No	No	No
courtier	Yes	No	No	No

Sir John Suckling (noun)	courtier (noun)
English poet and courtier (1609-1642)	an attendant at the court of a sovereign