Chapter on Defrauding the Unaware Buyer

Hadith.3982 - Imam Jafar ibn Muhammad Al-Sadiq (as) said: "Defrauding the one who entrusts you is unlawful gain, and defrauding a believer is forbidden."

"Defrauding the one who entrusts you is usury."

Hadith.3984 - Imam (as) said: "If a man says to another man, 'Come, I will improve your sale,' then it is forbidden for him to make a profit." [REFERENCES] Al-Kafi, Vol.5 p.152 • Man La Yahduruhu Al-Faqih, Vol.3 p.272 •…