Abu Bakr as-Siddiq reported Allah's Messenger ﷺ as saying, “One who treats badly those under his authority will not enter paradise.” He was asked whether he had not told them that this people had more slaves and orphans than any other, and replied, “Yes, so treat them as generously as you treat your children and give them food out of what you eat.” They then asked what benefit they got out of the world, and he replied, “A horse which you equip to fight on it in Allah’s path, and a slave who serves you sufficiently; and when he prays he is your brother.” Ibn Majah transmittted it.