trier > define

noun

• One (as a judge) who examines and settles a case.
• One who tries.
  • synonyms: attempter, essayer

• (n.) One who tries judicially.
• (n.) A person appointed according to law to try challenges of jurors; a trior.
• (n.) One who tries; one who makes experiments; one who examines anything by a test or standard.
• (n.) That which tries or approves; a test.