the Messenger of Allah said: "There is no charity due from a Muslim for his horse nor his slave."  

قَالَ رَسُولُ اللَّهِ ﷺ لَيْسَ عَلَى الْمُسْلِمِ فِي فَرَسِهِ وَلاَ فِي عَبْدِهِ صَدَقَةٌ وَفِي الْبَابِ عَنْ عَلِيٍّ وَعَبْدِ اللَّهِ بْنِ عَمْرٍو