For there are many unruly and vain talkers and deceivers, —In his life and work there will be many who challenge the truths of God’s word. The elder is to be equipped and ready to answer those challenges. The vain talkers words are empty. specially they of the circumcision: —There was evidently a known problem with Judaizing teachers in Crete. Paul was warning Titus to be wary of these problems and to watch for them.