arbiter

arbiter - noun

someone with the power to settle matters at will

someone chosen to judge and decide a disputed issue

arbiter - thesaurus

Scrabble score = 9

generated at 13:02:51 on 16-08-24

"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."

King's Leadership Academy, Warrington