sexton vs caretaker

sexton and caretaker both are nouns.

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

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

sexton: 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 sexton include church officer.

sexton (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