Sayyid al khoei: 107. An infidel i.e. a person who denies Allah or the Day of judgement, or associates anyone else with Allah, is impure. Similarly Ghulat (i.e. those who believe one of the holy twelve Imams to be God or say that God has penetrated into him) and khawarij and Nawasib (i.e. those who are enemies of the holy Imams) are also impure. And similar is the case with one who denies Prophethood or one of the necessities of religion i,e. a thing like prayers, and fasting, which are considered by the Muslims to be a part of the religion of Islam when he knows at thing is a necessity of rel