dissenter Meaning, Definition & Usage

  1. noun a person who dissents from some established policy
    contestant; objector; dissident; protester.

WordNet

Dis*sent"er noun
Definitions
  1. One who dissents; one who differs in opinion, or declares his disagreement.
  2. (Eccl.) One who separates from the service and worship of an established church; especially, one who disputes the authority or tenets of the Church of England; a nonconformist.
    Dissenters from the establishment of their several countries. Burke.
    Robert Brown is said to have the first formal dissenter. Shipley.
    ✍ "The word is commonly applied only to Protestants. The Roman Catholics are generally referred to as a distinct class." Brande & C.

Webster 1913