'Umayr bin Sa'id, son of the wife of al-Julas bin Suwayd was poor orphan boy under the care of Julas bin Suwayd bin bin al-Samit (A Hypocrite who later turned believer). 'Umayr bin Sa'id complained to Prophet(saw) about al-Julas but he refused to accept his mistake. But when it is revealed in the Qu'ran then he accept his mistake and become good Muslim.