What is the nature of the usurper's possession when he enters into a profit-sharing contract over the wrongfully taken wealth?

Primary text

When the usurper engages in profit-sharing with the wrongfully taken money, he is considered to be holding the property with the permission of the owner, without exclusive right to its benefit, and without having committed a transgression within the arrangement, thus resembling a situation where the property was received directly by the owner's instruction.