A Cup of Tea With Antichrists?

II John 9-11 — If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed…” What was John referring to when he gave this command? Does it mean that Christians are not allowed to invite Jehovah’s Witnesses or Mormons inside for a cup of tea when they knock on the door? In what other ways might this command apply to us? These are the questions we consider as we continue our verse-by-verse study through this wonderful little Epistle.