Abu Hurayra reported that the Messenger of Allah ﷺ said, "The best house among the Muslims is the house in which orphans are well treated. The worst house among the Muslims is the house in which orphans are ill treated. I and the guardian of the orphan will be in the Garden like that," indicating his two fingers.
الأدب المفرد ١٣٧:
قَالَ رَسُولُ اللهِ ﷺ خَيْرُ بَيْتٍ فِي الْمُسْلِمِينَ بَيْتٌ فِيهِ يَتِيمٌ يُحْسَنُ إِلَيْهِ وَشَرُّ بَيْتٍ فِي الْمُسْلِمِينَ بَيْتٌ فِيهِ يَتِيمٌ يُسَاءُ إِلَيْهِ أَنَا وَكَافِلُ الْيَتِيمِ فِي الْجَنَّةِ كَهَاتَيْنِ يُشِيرُ بِإِصْبَعَيْهِ