In The Name of Allaah, The Most Merciful, The Bestower of Mercy.
Imaam Ibnul Qayyim [rahimahullaah] said: The difference between a sincere adviser and the one who merely wants to blame others is that a sincere adviser does not declare enmity against you if you do not accept his advice, rather he says, “Perhaps Allaah will reward me whether he accept or reject my advice”, and he supplicates for you in your absence – neither mentions your faults nor rebukes you in the presence of the people. As for the one who merely desires to blame others, he is the opposite. [Ar-Rooh. P443. Slightly paraphrased]