Assignment/transfer of debt from the liability of the original debtor to the liability of a third person so that the original debtor becomes free of liability.
Mutaqabbil
Bait al-dawai
Maysir
Dar al-manak
Al-ma'adin al-batin
Wakeel
Wa`d
Bai‘ al-muhaqalah
Bai‘ al-muqayadah
Hulwan al-kahin