Requirement of The Guarantee of The Mudarib and the İnvestment Wakeel

This article aims to study the cases in which the hand of trust turns into the hand of a guarantee, the principle of contractual conditions of permissibility or prohibition, The legality of the requirement to guarantee the invested capital or its profit on the mudarip and the investment wakeel, Ruling on requiring the mudarip and the investment wakeel to guarantee the completion of the missing expected profit when they violate the condition “not to invest in transactions that earn less than a certain profit” and Ruling on requiring the mudarip and the investment wakeel to guarantee the debt of those they deal with. The research reached The following results: the original ruling on the conditions is permissibility, It is not permissible to require to guarantee the profit or the investment capital on the mudarip and the investment wakeel in out cases of infringement and default, It is not permissible for them to donate the profit during the contract, it is permissible to stipulate on the mudarip and the investment wakeel to guarantee the completion of the missing expected profit when they violate the condition “not to invest in transactions that earn less than a certain profit” and It is not permissible for them to guarantee the people they deal with.