grievant

/ˈɡriːvənt/
noun
  1. A person who complains or files a formal complaint, especially in a workplace or legal setting.
    • As the grievant, she had the right to present her case at the hearing.
    • The union representative helped the grievant prepare the paperwork.
    • The grievant submitted a formal complaint about unfair working conditions.
Antonyms
What does "grievant" mean? | whatsthatwordmean | whatsthatwordmean