altruist vs conferrer

altruist and conferrer both are nouns.

Word	Noun	Adjective	Verb	Adverb
altruist	Yes	No	No	No
conferrer	Yes	No	No	No

As nouns, conferrer is a hypernym of altruist; that is, conferrer is a word with a broader meaning than altruist:

altruist: someone who makes charitable donations intended to increase human well-being
conferrer: person who makes a gift of property

Other hypernyms of altruist include bestower, donor, giver, presenter.

altruist (noun)	conferrer (noun)
someone who makes charitable donations intended to increase human well-being	person who makes a gift of property
	someone who converses or confers (as in a conference)