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.
كُنْتُ مَمْلُوكًا فَسَأَلْتُ رَسُولَ اللَّهِ ﷺ أَأَتَصَدَّقُ مِنْ مَالِ مَوَالِيَّ بِشَىْءٍ قَالَ نَعَمْ وَالأَجْرُ بَيْنَكُمَا نِصْفَانِ