remonstrate

To object; to express disapproval (with, against).

Specifically, to lodge an official objection (especially by means of a remonstrance) with a monarch or other ruling body.

(often with an object consisting of direct speech or a clause beginning with that) To state or plead as an objection, formal protest, or expression of disapproval.

To point out; to show clearly; to make plain or manifest; hence, to prove; to demonstrate.