I'm pretty sure that this user has been warned if not banned for his use of Kaifir and kufr
viewtopic.php?p=33063432&sid=6ac6de14ea5a6d1db7bddfd66124aa2a#p33063432
viewtopic.php?p=33063352&sid=8772089b4bef3836d81fa6e6fd8b7fdd#p33063352
viewtopic.php?p=33063455#p33063455
viewtopic.php?p=33063533&sid=0835be9f8d530009ce3d00e396d22140#p33063533