Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun donor

2 senses of donor

Sense 1
donor, giver, presenter, bestower, conferrer -- (person who makes a gift of property)
       => benefactor, helper -- (a person who helps people or institutions (especially with financial help))

Sense 2
donor -- ((medicine) someone who gives blood or tissue or an organ to be used in another person (the host))
       => benefactor, helper -- (a person who helps people or institutions (especially with financial help))