It was narrated from Haram bin Munayyisah that :
his father asked the Prophet (ﷺ) about the earnings of a cupper and he forbade him from that. Then he mentioned his need and he said: "Spend it on feeding your she-camels that draw water." (AR)
English reference (AR): Vol. 3, Book 12, Hadith 2166 (AR)
Arabic reference (AR): Book 12, Hadith 2250 (AR)