He who is unsettled can no more grow in godliness than a bone which is badly broken can grow in the body. Seducers are abroad. Their work is to draw people away from the principles of religion. Seducers are the devil's agents. They are of all others the greatest felons who would rob you of the truth.
Seducers have silver tongues which can palm off bad wares.
The Greek word there is taken from those who are skilled at throwing dice for the best advantage. So seducers are impostors. They can throw dice. They can so counterfeit and spin the truth that they can deceive others. Seducers deceive by wisdom of words.