Salamualaykum, my marja is Ayatollah Sistani. About the permanent marriage with a Christian girl, he says that as an obligatory precaution a Muslim should not take them in permanent marriage: 2406. A Muslim woman cannot marry a non-Muslim, and a male Muslim also cannot marry a non-Muslim woman who are not Ahlul Kitab. However, there is no harm in contracting temporary marriage with Jewish and Christians women, but the obligatory precaution is that a Muslim should not take them in permanent marriage. There are certain sects like Khawarij, Ghulat and Nawasib who claim to be Muslims, but are