petitioner

/pəˈtɪʃənər/
noun
  1. A person who makes a formal request, especially to a court or to someone in authority.
    • The petitioner gathered hundreds of signatures before submitting the document.
    • The petitioner asked the judge to lower the child support payments.
    • Each petitioner must provide evidence to support their claim.
Antonyms
What does "petitioner" mean? | whatsthatwordmean | whatsthatwordmean