Some info about ARABIC
A mu?tasib was "a holder of the office of al-hisbah in classical Islamic administrations", according to Oxford Islamic Studies. Also called ?amil al-suq or sahib al-suq, the mu?tasib was a supervisor of bazaars and trade, the inspector of public places and behavior in towns in the medieval Islamic countries, appointed by the sultan, imam, or other political authority. His duty was to ensure that public business was conducted in accordance with the law of sharia.
Wikipedia contributors, "Muhtasib," Wikipedia, The Free Encyclopedia,ABOUT THE ARABIC LANGUAGE