Vitriolic (adjective) تلخی، کڑا، جلی کٹی

filled with bitter criticism or malice.
Example: “vitriolic attacks on the politicians”
Demagogue (noun) جذبات انگیز رہنما، عوامی لیڈر

a political leader who seeks support by appealing to the desires and prejudices of ordinary people rather than by using rational argument.
Example: “a gifted demagogue with particular skill in manipulating the press”