مرقد ميثم التمار وكيف أصبح من خلص اصحاب أمير المؤمنين وماذا كان قبل ذلك وقصة استشهاده

The shrine of Maitham Al-Tamar, how he became one of the loyal companions of the Commander of the Faithful, what he was before that, and the story of his martyrdom