When ʿUmar founded an endowment he stipulated that its administrator could eat from it and also feed his friend on the condition that he would not store anything for himself from it.
أَنْ يَأْكُلَ مَنْ وَلِيَهُ وَيُوكِلَ صَدِيقَهُ غَيْرَ مُتَمَوِّلٍ مَالاً