civil servant vs functionary

civil servant and functionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
civil servant	Yes	No	No	No
functionary	Yes	No	No	No

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

Other hypernyms of civil servant include official.

civil servant (noun)	functionary (noun)
a public official who is a member of the civil service	a worker who holds or is invested with an office