I was the slave (of Abi'l-Lahm). I asked the Messenger of Allah (ﷺ) if I could give some charity out of my master's wealth. He said: Yes, and the reward is half and half between you two.
Sahih Muslim Book 12, Hadith 105
← Previous Hadith This hadith has been narrated by A'mash with the same chain of transmitters.

Sahih Muslim Book 12, Hadith 104 Next Hadith → My master commanded me to cut some meat in strips; (as I was doing it) a poor man came to me and I gave him some of it to eat. My master came to know of that, and he beat me. I came to the Messenger of Allah (ﷺ) and narrated it to him. He (the Holy Prophet) summoned him and said: Why did you beat him? He (Abi'l-Lahm) said: He gives away my food without being commanded to do so. Upon this he (the Holy Prophet) said: The reward would be shared by you two.

Sahih Muslim Book 12, Hadith 106