Lit: Mutual kindness. Tech: Informal partnership prevalent during Fatimid (AD 969–1171) and ’Ayubid (AD 1183–1260) Egypt.
Al-bai‘ al-mabrur
Al-qintar
Al-ihsan
Al-kayyal
Al-tabi‘
Al-tahjir
Al-wadi‘ah
’ard al-waqf
Arbun
Al-irfaq