tenant vs payer

tenant and payer both are nouns.

Word	Noun	Adjective	Verb	Adverb
tenant	Yes	No	Yes	No
payer	Yes	No	No	No

As nouns, payer is a hypernym of tenant; that is, payer is a word with a broader meaning than tenant:

tenant: someone who pays rent to use land or a building or a car that is owned by someone else
payer: a person who pays money for something

Other hypernyms of tenant include remunerator.

tenant (noun)	payer (noun)
someone who pays rent to use land or a building or a car that is owned by someone else	a person who pays money for something
any occupant who dwells in a place
a holder of buildings or lands by any kind of title (as ownership or lease)

tenant (verb)	payer (verb)
occupy as a tenant