In the first century there were dangerous “mockers” who caused divisions in the Body of Christ and were “worldly minded, devoid of the Spirit.” We, too, must be ready to recognize and respond to those who deny Jesus and His Gospel. Danson Ottawa of ACFAR Kenya applies Jude 17–23 to our day, giving three clear exhortations on how to respond to the challenge of false teaching and deal compassionately with those who are harmed by it.