megadonor
Etymology
From mega- + donor.
megadonor means someone who donates a lot, or who is responsible for a large amount of donations flowing to a person or entity. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
noun
- Someone who donates a lot, or who is responsible for a large amount of donations flowing to a person or entity.“[Leslie] Wexner is among a small number of Jewish community megadonors, billionaires who provide an outsize and growing proportion of funding for communal organizations and to a large extent determine what those organizations look like.”