[n] person who makes a gift of property
[n] someone who devotes themselves completely; "there are no greater givers than those who give themselves"
abnegator, almsgiver, altruist, benefactor, contributor, good person, helper, Indian giver, philanthropist, subscriber, subsidiser, subsidizer, tipper
\Giv"er\, n. One who gives; a donor; a bestower; a grantor; one who imparts or distributes. It is the giver, and not the gift, that engrosses the heart of the Christian. --Kollock.