. . "abbi Yochanan: for the provision of his livelihood.And we say upon it {this Mishna} in perek Metziat HaIsha {Ketubot 70a}:Rafram said: They only learned this where there is no guardian, but if there is a guardian, their purchase is no purchase and their sale is no sale.We might think this only applies to an orphan, from the reference to the apitrupis in Ketubot, and from the fact that it is a prov" . .