Anas bin Malik (may Allah be pleased with him) says: Abu Taybah cupped him (peace and blessings be upon him), and he gave him two sa', or one sa', of dates, and instructed his people: "Lighten his levy (kharaj)."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النفقات / 15786