Sayyidah Umm Sa'id bint Amr bin Murrah al-Jumahiyyah (may Allah be pleased with her) relates: I heard the Prophet (peace and blessings be upon him) say: "Whoever takes care of an orphan of his own (family) or of some other people, he and I will be in Paradise like these two (fingers)."
Imam Tabarani recorded it, and its narrators are thiqat (trustworthy).