licenser vs functionary

licenser and functionary both are nouns.

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

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

licenser: an official who can issue a license or give authoritative permission (especially one who licenses publications)
functionary: a worker who holds or is invested with an office

Other hypernyms of licenser include official.

licenser (noun)	functionary (noun)
an official who can issue a license or give authoritative permission (especially one who licenses publications)	a worker who holds or is invested with an office