Excerpt from: "What Are the Pastors’ Roles in the Church?"
Pastors can have a tendency to expect attacks to come on the church from the outside. But Paul warns the Ephesian elders that wolves are going to attack the church from within. Acts 20:29 – I know that after my departure fierce wolves will come in among you, not sparing the flock; 30 and from among your own selves will arise men speaking twisted things, to draw away the disciples after them.