donor

US /ˈdoʊ.nɚ/
UK /ˈdoʊ.nɚ/
"donor" picture
1.

a person who gives something, especially money, to a charity or other organization

:
The hospital relies heavily on the generosity of private donors.
Many anonymous donors contributed to the relief fund.
2.

a person from whom blood or an organ is taken for transfusion or transplantation

:
He became an organ donor after his death.
Finding a compatible blood donor is crucial for the patient.