A labour arbitrator is a person who settles disagreements between employers and employees. They listen to both sides and make a decision on the issue based on the rules and laws related to labour agreements. Full definition
Following the usual practice and custom of labour arbitrators in Canada for more than five decades, he ruled that there were no special circumstances justifying anonymity. (slaw.ca)
I believe it is useful also to consider the approach taken by labour arbitrators in dealing with off — duty conduct. (employmentlaw101.ca)
He appears in court, as well as before labour arbitrators, the Human Rights Tribunal of Ontario, the Ontario Labour Relations Board, the Workplace Safety and Insurance Board, and the Workplace Safety and Insurance Appeals Tribunal. (hicksmorley.com)