“捐款人”用英语怎么说？

我们募捐了478英镑, 一位非常慷慨的捐款人凑足到500英镑.We collected ￡478 , but a very generous benefactor made it up to ￡500.随信附上捐款人的名单.A list of the names of the contributors is enclosed herewith.本园将会为捐款人发出正式收据.Official receipt will be issued ...