objector

noun

Etymology: Partly from Latin obiector and partly from object + -or.

1. A person who objects to something.

   “"It would be amusing, sir, to shut these various objectors up in a room and let them settle it among themselves."”

   “The Fife County Council, and other objectors, were successful in July [1950] in obtaining an interim interdict against this decision, but the Court of Session withdrew the interdict in January, and it was then stated that a civil court had no jurisdiction in the matter.”