Appellants

noun

1. A litigant or party that is making an appeal in court

   "The appellant made her submissions to the court."

2. One who makes an earnest entreaty of any kind.
3. One who challenges another to single combat.
4. One of the clergy in the Jansenist controversy who rejected the bull Unigenitus issued in 1713, appealing to a pope "better informed", or to a general council.