Lit: Forced labour. Tech: Any form of service derived from a human being or animal or machine without paying compensation.
Bai al-wafa'
Manfa`ah
Al-‘ushr
Waqf al-nami
Al-tasarruf
Bai al-sinin
Al-jizyah
Thunyah
Bay` al-salam
Tawkil al-’iqrad