Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bukhari:2163 – ʿAyyāsh b. al-Walīd > ʿAbd al-Aʿlá > Maʿmar > Ibn Ṭāwus from his father > Saʾalt Ibn ʿAbbās Mā Maʿná Qawlih Lā Yabīʿan Ḥāḍir Libād

I asked Ibn ʿAbbas, "What is the meaning of, 'No town dweller should sell (or buy) for a desert dweller'?" Ibn ʿAbbas said, "It means he should not become his broker."  

البخاري:٢١٦٣ – حَدَّثَنِي عَيَّاشُ بْنُ الْوَلِيدِ حَدَّثَنَا عَبْدُ الأَعْلَى حَدَّثَنَا مَعْمَرٌ عَنِ ابْنِ طَاوُسٍ عَنْ أَبِيهِ قَالَ سَأَلْتُ ابْنَ عَبَّاسٍ ؓ مَا مَعْنَى قَوْلِهِ لاَ يَبِيعَنَّ حَاضِرٌ لِبَادٍ فَقَالَ

لاَ يَكُنْ لَهُ سِمْسَارًا