i.e. He secretly and subtlety undermined his father, and robbed his father of the good opinions and affections of his people, that he might gain them to himself, by such insinuations into their affections, by his plausible and over-civil carriage.
Related Commentaries of 2 Samuel 15:6
2 Samuel 15:6
6 And on this manner did Absalom to all Israel that came to the king for judgment: so Absalom stole the hearts of the men of Israel.