Lit: Mutual kindness. Tech: Informal partnership prevalent during Fatimid (AD 969–1171) and ’Ayubid (AD 1183–1260) Egypt.
Al-bai‘ al-batil
Al-bai‘ al-fasid
Rabb
Al-mukhatarah
Al-yamin al-ghamus
Hagbad
Al-najiz
Al-mudarabah al-muqayyadah
Shart
Al-mustarsil