It is narrated from Hazrat Abu Dharr (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said to me: O Abu Dharr! Do not become the guardian of an orphan's wealth, and do not become a leader over even two men.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 21563