Sahih al-Bukhari
Sahih al-Bukhari 2274
حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا عَبْدُ الْوَاحِدِ، حَدَّثَنَا مَعْمَرٌ، عَنِ ابْنِ طَاوُسٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم أَنْ يُتَلَقَّى الرُّكْبَانُ، وَلاَ يَبِيعَ حَاضِرٌ لِبَادٍ. قُلْتُ يَا ابْنَ عَبَّاسٍ مَا قَوْلُهُ لاَ يَبِيعُ حَاضِرٌ لِبَادٍ قَالَ لاَ يَكُونُ لَهُ سِمْسَارًا.
Narrated Tawus: Ibn Abbas said, “The Messenger of Allah (ﷺ) forbade meeting caravans on the way, and forbade a townsman from selling on behalf of a desert-dweller.” I asked Ibn Abbas, “What does his saying, ‘A townsman must not sell on behalf of a desert-dweller,’ mean?” He replied, “He must not act as his broker.”
Translation notes
The Arabic transmission includes the chain through Musaddad, Abd al-Wahid, Mamar, Ibn Tawus, Tawus, and Ibn Abbas. The wording says the townsman should not be the desert-dweller’s broker.