Mujalid bin Sa'id bin 'Umayr مجالد بن سعيد الهمداني · The Book on Zakat

the Prophet said: "When the charity collector comes to you, then he should not depart from you except while pleased."

"During the Farewell Hajj, while the Messener of allah was standing at Arafat, a Bedouin came to him begging while pulling on the edge of his Rida. He gave him something and he left. With that, begging was made unlawful, so the Messenger of Allah said: 'Begging is not lawful for the rich nor for the physically fit, except for the one who is severely poor or in perilous debt. And whoever begs the people (merely) to increase his wealth,…