contester
1. [ noun ] someone who contests an outcome (of a race or an election etc.)
Related terms: disputant election
Similar spelling:   contestee
  contest
  contested
  contestant
  Countess
  contestable
  contuse
  context
  contused
  Contessa
  contestation
  Counts
  Contos
  contextual
  condescend
  Contois
  contact
  comtism