I asked Ibn `Abbas, "What is the meaning of, 'No town dweller should sell (or buy) for a desert dweller'?" Ibn `Abbas said, "It means he should not become his broker."
Reference: Sahih al-Bukhari 2163 In-book : Book 34, Hadith 114 USC-MSA web (English) : Vol. 3, Book 34, Hadith 372 (deprecated)
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