(11) باب فِي النَّهْىِ أَنْ يَبِيعَ حَاضِرٌ لِبَادٍ
Narrated Ibn 'Abbas:
The Messenger of Allah (ﷺ) forbade a townsman to sell for a man from the desert. I asked: What do you mean by the selling of a townsman for a man from the desert ? He replied: He should not be a broker for him.
Reference: Sunan Abi Dawud 3439
In-book reference: Book 24, Hadith 24
English translation: Book 23, Hadith 3432