al-Aswad bin Yazid الأسود بن يزيد بن قيس النخعي · The Book of Zakah

"Go to the Messenger of Allah and say to him: 'O Messenger of Allah, appoint us to collect the Sadaqat!' 'Ali bin Abi Talib came along when we were like that, and he said to them: "The Messenger of Allah will not appoint any of you to collect the Sadaqah."' 'Abdul-Muttalib said: "So I went with Al-Fadl until we came to the Messenger of Allah and he said to us: "This Zakah is the dirt of the people, and it…