consumer protection and its area in Islamic jurisprudence (Shafeids & Imamids)

Although the contemporary term "Consumer" has not been mentioned in Islamic Jurisprudence; Jurisprudence have mentioned his rights and how to protect them. Meanwhile, the government's responsibility in this regard has been discussed. Rules for trading that is prescribed in Transactions sections, and the special options given to the seller and the buyer for certain contract or to revocation it, As well as usury prohibition, forbids the hoarding and. ..., Just as examples to consumer protection in Islamic jurisprudence is considered. To study these examples in the Jurisprudence' we should not limit ourselves to Transactions sections, because nowadays such rights can not be restricted to the contract between buyer and seller, but covers consumers and other individuals as well. So comparing the Guaranty (Zaman) subject and the books on "Hesba" (market surveillance) and the Islamic ruler's power to protect consumers rights make us familiar with the valuable efforts of Muslim jurisprudents and the