Kindly refer to the following link(s):
Who are the Khawarij? What are their characteristics so that we may avoid them?
Who is responsible to kill the Khawarij?
Who are the Khawarij? - Assim al hakeem
How can we identify the Khawarij in the modern era & protect ourselves from their methodologies?
Ruling on rebelling against an Islamic country ruler
Islamic way of giving Advise to Rulers & Officials?
Speaking ill about Muslim Rulers
Slandering Scholars of Saudi Arabia (albani)
What is Offensive & Defensive Jihad?
The true meaning of Jihad | Sheikh Assim Al Hakeem
Muslim Leaders killing Children?
Takfir on rulers! Muslim ruler permits to import or consumption of haram, does it make him kafir?
Is a Muslim Country (Government) ruled by democracy, man-made laws, Taghoot?
Going to become a civil servant but my job includes haram things, what to do?
Is there a consensus (ijma) among scholars to rebel against the Muslim Ruler (Khurooj)?
Consensus on rebelling against a Muslim ruler (clarification)
Takfir on rulers! Muslim ruler permits to import or consumption of haram, does it make him kafir?