Blakes 7 Wiki

An arbiter was a member of the judiciary on Earth, roughly equivalent to a judge in archaic legal systems.

Roj Blake's trial was overseen by an arbiter and two other members of a tribunal. (A: The Way Back)

Samor described himself as a pro tem, military arbiter.

The Teal-Vandor Convention demanded the presence of three arbiters (one each from Teal and Vandor and one neutral) to see that combat procedures were properly followed. (C: Death-Watch)

Ven Glynd's official title within the Civil Administration's Justice Department was Arbiter General. (A: The Way Back)