´It was narrated that 'Umair, the freed slave of Aabi Lahm, said:` "My master used to give me food and I would feed others from it, then he stopped me," or he said: "He beat me. So I asked the Prophet,” -or- "he asked him and I said: 'I will not stop.' He said: 'Both of you will be rewarded."'
Hadith Referenceسنن ابن ماجه / كتاب التجارات / 2297
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم