Sectarian (adjective / noun) — مُتعصب لطائفة أو مذهب معين ضد الآخرين: Relating to strong attachment to a religious group, often leading to conflict. Below are 6 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
A strong supporter of a party or cause; also a guerrilla fighter.
Intolerant of other views or people — prejudiced, closed-minded, and unwilling to weigh contrary evidence
tending to cause disagreement or hostility between people; creating division, discord, or separation within a group; characterized by the ability to split…
factionaldenominationalschismatic