Oppressor
Bouvier's Law Dictionary and Concise Encyclopedia · John Bouvier; revised by Francis Rawle · 1914
Bouvier's Law Dictionary and Concise Encyclopedia
One who having public authority uses it unlawfully to tyrannize over another: as, if he keep him in prison until he shall do something which he not lawfully bound to do. To charge a magistrate with being an oppressor is actionable; 1 Stark. SI.
185.