subscriber vs bestower

subscriber and bestower both are nouns.

Word	Noun	Adjective	Verb	Adverb
subscriber	Yes	No	No	No
bestower	Yes	No	No	No

As nouns, bestower is a hypernym of subscriber; that is, bestower is a word with a broader meaning than subscriber:

subscriber: someone who contributes (or promises to contribute) a sum of money
bestower: person who makes a gift of property

Other hypernyms of subscriber include conferrer, donor, giver, presenter.

subscriber (noun)	bestower (noun)
someone who contributes (or promises to contribute) a sum of money	person who makes a gift of property
someone who contracts to receive and pay for a service or a certain number of issues of a publication
someone who expresses strong approval