A man came to the Prophet ﷺ and said, "I am poor and have nothing, but I have an orphan under my care."The Prophet ﷺ said, "Eat from your orphan's wealth without being extravagant, without rushing to consume it, and without using it to build up your own fortune."
حدثنا حميد بن مسعدة أن خالد بن الحارث حدثهم حدثنا حسين يعني المعلم
أن رجلا أتى النبي ﷺ فقال إني فقير ليس لي شيء ولي يتيم قال فقال كل من مال يتيمك غير مسرف ولا مبادر ولا متأثل
[Its isnad is hasan] Nasai narrated it in Wasaya, chapter on what the guardian may take from the orphan's property when he administers it, no. 3698, from the hadith of Khalid bin Harith with this wording. Ibn Jarud graded it sahih, no. 952, and Hafiz [Ibn Hajar] strengthened it in Fath al-Bari, 8/241.