Avoyer

An avoyer was a medieval official representing a lord and tasked, in their name, with administering high justice or low justice.

Switzerland

In the, the office of avoyer is documented in the cities of Lucerne, Bern, Fribourg, and Solothurn. In these four cities, the role of the avoyer gradually evolved over time: it first became the president of the executive, then of the city tribunal, before becoming, from the 15th century, equivalent to the burgomaster of German cities or those in northeastern Switzerland.
The office and title of avoyer gradually disappeared from the various cantons during the period of the Confederation of the XXII Cantons. The title of avoyer was used until 2007 by the president of the