The Messenger of Allah ﷺ said, "When a slave fulfills the right of Allah and the right of his masters, he receives a double reward."The narrator said, "I related this to Kaab, and Kaab said, 'There will be no reckoning against such a man, nor against a believer of meager means.'"
و حدثنيه زهير بن حرب حدثنا جرير عن الأعمش بهذا الإسناد