﴿ وَءَاتُوا۟ ٱلْيَتَٰمَىٰٓ أَمْوَٰلَهُمْ ۖ وَلَا تَتَبَدَّلُوا۟ ٱلْخَبِيثَ بِٱلطَّيِّبِ ۖ وَلَا تَأْكُلُوٓا۟ أَمْوَٰلَهُمْ إِلَىٰٓ أَمْوَٰلِكُمْ ۚ إِنَّهُۥ كَانَ حُوبًۭا كَبِيرًۭا ﴾

“Hence, render unto the orphans their posses­sions, and do not substitute bad things [of your own] for the good things [that belong to them], and do not consume their possessions together with your own: this, verily, is a great crime.”

The following was revealed regarding an orphan who demanded his property from his guardian but was refused it Give the orphans the under-age ones that have no father their property when they have reached maturity and do not exchange the evil the unlawful for the good the lawful that is taking the one in place of the other as you do when you take what is good from the orphan’s property and leave him your faulty property instead; and absorb not their property by adding it into your property; surely that the absorbing of it is a great crime a serious sin. When this was revealed they found it difficult to maintain guardianship over orphans and some of them had ten or eight wives under their care and did not treat them all equally and so the following was revealed