caretaker vs sacristan

caretaker and sacristan both are nouns.

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

As nouns, sacristan is a hyponym of caretaker; that is, sacristan is a word with a more specific, narrower meaning than caretaker:

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

Other hyponyms of caretaker include concierge, sexton, super, superintendent, verger.

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