Earlier quoted context omitted.
He is the donor. And, no, recipients of legal donations don’t have to give them back because they came from a bad person. (The illegal donations he seems to have admitted to might have to be given up, but that’s a separate legal issue.)
"The illegal donations he seems to have admitted to..." Source?
https://www.cnbc.com/2022/12/08/ftx-ceo-sam-bankman-fried-hi...
Count eight of the indictment also seems related, but its not a “speaking” indictment, so its not super clear.