Abu Awn said: A dihqan (local landlord) from the people of Ayn al-Tamr became Muslim, and Sayyiduna Ali (may Allah be pleased with him) said: We remove your jizyah, and your land will be for the Muslims. If you wish, we will fix a stipend for you, and if you wish, we will make you our steward (qahraman). Whatever Allah, the Lord of Might, brings forth from it, you will bring to us.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب السير / 18418