002.190: And fight in the way of Allah with those who fight with you, and do not exceed the limits, surely Allah does not love those who exceed the limits.
002.191: And kill them wherever you find them, and drive them out from whence they drove you out, and persecution is severer than slaughter, and do not fight with them at the Sacred Mosque until they fight with you in it, but if they do fight you, then slay them; such is the recompense of the unbelievers.
002.192: But if they desist, then surely Allah is Forgiving, Merciful.
002.193: And fight with them until there is no persecution, and religion should be only for Allah, but if they desist, then there should be no hostility except against the oppressors.
002.194: The Sacred month for the sacred month and all sacred things are (under the law of) retaliation; whoever then acts aggressively against you, inflict injury on him according to the injury he has inflicted on you and be careful (of your duty) to Allah and know that Allah is with those who guard (against evil).
002.195: And spend in the way of Allah and cast not yourselves to perdition with your own hands, and do good (to others); surely Allah loves the doers of good.
002.216: Fighting is enjoined on you, and it is an object of dislike to you; and it may be that you dislike a thing while it is good for you, and it may be that you love a thing while it is evil for you, and Allah knows, while you do not know.
002.221: And do not marry the idolatresses until they believe, and certainly a believing maid is better than an idolatress woman, even though she should please you; and do not give (believing women) in marriage to idolaters until they believe, and certainly a believing servant is better than an idolater, even though he should please you; these invite to the fire, and Allah invites to the garden and to forgiveness by His will, and makes clear His communications to men, that they may be mindful.
003.056: Then as to those who disbelieve, I will chastise them with severe chastisement in this world and the hereafter, and they shall have no helpers.
003.151: We will cast terror into the hearts of those who disbelieve, because they set up with Allah that for which He has sent down no authority, and their abode is the fire, and evil is the abode of the unjust.
004.074: Therefore let those fight in the way of Allah, who sell this world's life for the hereafter; and whoever fights in the way of Allah, then be he slain or be he victorious, We shall grant him a mighty reward.
004.075: And what reason have you that you should not fight in the way of Allah and of the weak among the men and the women and the children, (of) those who say: Our Lord! cause us to go forth from this town, whose people are oppressors, and give us from Thee a guardian and give us from Thee a helper.
004.076: Those who believe fight in the way of Allah, and those who disbelieve fight in the way of the Shaitan. Fight therefore against the friends of the Shaitan; surely the strategy of the Shaitan is weak.
004.089: They desire that you should disbelieve as they have disbelieved, so that you might be (all) alike; therefore take not from among them friends until they fly (their homes) in Allah's way; but if they turn back, then seize them and kill them wherever you find them, and take not from among them a friend or a helper.
004.095: The holders back from among the believers, not having any injury, and those who strive hard in Allah's way with their property and their persons are not equal; Allah has made the strivers with their property and their persons to excel the holders back a (high) degree, and to each (class) Allah has promised good; and Allah shall grant to the strivers above the holders back a mighty reward:
004.115: And whoever acts hostilely to the Messenger after that guidance has become manifest to him, and follows other than the way of the believers, We will turn him to that to which he has (himself) turned and make him enter hell; and it is an evil resort.
004.136: O you who believe! believe in Allah and His Messenger and the Book which He has revealed to His Messenger and the Book which He revealed before; and whoever disbelieves in Allah and His angels and His messengers and the last day, he indeed strays off into a remote error.
004.137: Surely (as for) those who believe then disbelieve, again believe and again disbelieve, then increase in disbelief, Allah will not forgive them nor guide them in the (right) path.
004.138: Announce to the hypocrites that they shall have a painful chastisement:
004.139: Those who take the unbelievers for guardians rather than believers. Do they seek honor from them? Then surely all honor is for Allah.
there are plenty of such verses that makes a believer a member of a cult where cult leader has the potential to exploit his follower..