Those who believe fight in the cause of Allāh, and those who disbelieve fight in the cause of ṭāghūt.1 So fight against the allies of Satan. Indeed, the plot of Satan has ever been weak.
The true believers fight in the path of Allah in order to raise His Word. The disbelievers, on the other hand, fight in the path and way of Satan. So fight the supporters of Satan. If you fight them, you will defeat them, because Satan’s strategy is weak and it cannot harm those who place their reliance in Allah.