The Pirush of R’ Ovadia MiBartenura says:
???? ?? ???. ?????? ??? ???? ?????? ????? ????? ????? ???? ???? ??? ????? ????? : ??? ??? ?? ???? ???? ??? ?? ?? ???? ???? ????? ????
— Although a friend who is there for the money is not a friend, the ?????? ?????? says the reason that you need a friend is:
I guess even if you pay him you can be ????? that.