sender of a gift; gift giver
Refers to the person who sends or gives a present. Often used in contexts like thank-you notes or when discussing the origin of a gift.
I check the name of the sender of the year-end gift.
A present arrived whose sender I don't know.
Who is the sender of this bouquet of flowers?
I want to thank the sender, but there's no name written on it.
A present arrived from an unknown sender.