2 Timothy 3:1-5
3 But realize this, that in the last days difficult times will come. 2 For men will be lovers of self, lovers of money, boastful, arrogant, revilers, disobedient to parents, ungrateful, unholy, 3 unloving, irreconcilable, malicious gossips, without self-control, brutal, haters of good, 4 treacherous,reckless, conceited, lovers of pleasure rather than lovers of God, 5 holding to a form of godliness, although they have denied its power; Avoid such men as these.
One possible action for dealing with narcissists is to simply stay away from them. This is not always possible, and at times may not even be the correct action (see here for a discussion of selecting the proper response at the proper time). But there are times when it is appropriate to avoid a narcissist / scoffer. We will discuss when it is appropriate at a later time.
Note: It is very important that actions to deal with narcissists / scoffers are appropriate for the particular situation. Please see here for a further discussion. “Avoiding them” might be most applicable as follows: