Sahih Muslim 3824
صحيح مسلم#3824SahihAbu Huraira (Allah be pleased with him) reported it directly from Allah's Apostle (ﷺ):The townsman'should not sell for a man from the desert (with a view to taking advantage of his ignorance of the market conditions of the city). And Zuhair reported from the Prophet (ﷺ) that he forbade the townsman to sell on behalf of the man from the desert
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 21:24