diplomat vs functionary

diplomat and functionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
diplomat	Yes	No	No	No
functionary	Yes	No	No	No

As nouns, functionary is a hypernym of diplomat; that is, functionary is a word with a broader meaning than diplomat:

Other hypernyms of diplomat include official.

diplomat (noun)	functionary (noun)
an official engaged in international negotiations	a worker who holds or is invested with an office
a person who deals tactfully with others