Sunan At-Tirmidhi

Abu Rafi (may Allah be pleased with him) narrated that :the Messenger of Allah sent a man from Banu Makhzun to collect charity, so he said to Abu Rafi: ""Accompany me so that perhaps you may have some of it."" So he said: ""Not until I ask the Messenger of Allah."" So he went to the Prophet to ask him, and he said: ""Charity is not lawful for us, and to be the Mawda of a people to be the same as them