noncandidate

/ˌnɑnˈkændɪdət/
noun
  1. A person who is not a candidate, especially in an election or competition.
    • As a noncandidate, she could speak freely without worrying about voters' reactions.
    • Though many assumed he would run, he remained a noncandidate throughout the campaign.
    • The debate included both candidates and one noncandidate who was just observing.
Antonyms
What does "noncandidate" mean? | whatsthatwordmean | whatsthatwordmean