donor

a person who gives money, blood, or an organ to help someone else

donante

Collocations blood donor · organ donor

• He was a regular blood donor.

  Era un donante de sangre habitual.

a person who gives money to buy works of art for a museum or collection

mecenas, patrón

Collocations art donor

• The museum has received many donations from art donors.

  El museo ha recibido numerosas donaciones de mecenas del arte.