The terms in the Latin text are donator, a giver of a gift, and donatus, a receiver.
This subtlety was past the vision of the donator of the Dabney House.
The archbishop of Paris, subsequently followed and stoned, is the donator of 100,000 crowns to the hospital of the Htel-Dieu.
1819, back-formation from donation. Related: Donated; donating.