.Do not reprove a scoffer, or he will hate you……..
24 He who hates disguises it with his lips,
But he lays up deceit in his heart.
25 When he speaks graciously, do not believe him,
For there are seven abominations in his heart.
26 Though his hatred covers itself with guile,
His wickedness will be revealed before the assembly.
When a narcissist* flatters you, he is not lifting you up but is instead laying a trap of some sort. So, what you see and what is really happening are two completely different things. In the same way, a scoffer (narcissist) who hates you will disguise that hate – for awhile. He may speak graciously to you face-to-face, but in his heart he is plotting to somehow “get you” – and when he gets the chance to trash you publicly he will take it – “his wickedness will be revealed before the assembly”.
* narcissism is the modern colloquial term for what the Bible calls “insolent pride” – see here for more