sacristan vs caretaker

sacristan and caretaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
sacristan	Yes	No	No	No
caretaker	Yes	No	No	No

As nouns, caretaker is a hypernym of sacristan; that is, caretaker is a word with a broader meaning than sacristan:

sacristan: an officer of the church who is in charge of sacred objects
caretaker: a custodian who is hired to take care of something (property or a person)

Other hypernyms of sacristan include church officer.

sacristan (noun)	caretaker (noun)
an officer of the church who is in charge of sacred objects	a custodian who is hired to take care of something (property or a person)
	an official who performs the duties of an office temporarily