恩人
Common
Noun
1
noun (common) (futsuumeishi)
benefactor;bienhechor
1
noun (common) (futsuumeishi)
benefactor;patron;person to whom one owes a great deal;person to whom one is (deeply) indebted
私は恩人にしたことを、恥ずかしく思った。
I was ashamed of what I had done to my benefactor.