O.C.G.A. § 23-2-59: Acquisition of antagonistic rights by one in confidential relationship.

Where, by the act or consent of parties or the act of a third person or of the law, one person is placed in such relation to another that he becomes interested for him or with him in any subject or property, he is prohibited from acquiring rights in that subject or property which are antagonistic to the person with whose interest he has become associated.