If it is not known whether someone is a Muslim and there is no indication of him being a Muslim, he is pure. However, other rules of being a Muslim do not apply to him; for example, he cannot marry a Muslim woman nor be buried in a Muslim cemetery. Ruling 107.* Based on obligatory precaution, a person who abuses any of the Infallible Imams (ʿA) on account of his enmity towards them is impure. [1] This refers to those who believe in the infusion or indwelling of Allah in the Imam (ʿA).