In a contract of mudarabah, the person who acts as a working person. Also, in the law of zakah, a collector of zakah.
Al-bai‘ al-batil
Al-tajir al-safar
Al-najiz
Al-irfaq
Al-’amwal al-fadilah
Al-khalit
Wakeel
’akl bil batil
Al-bai‘ al-nafidh
Al-khabalah