A magistrate was a type of court official.
In 1589, a magistrate sentenced Pieter Stubbe to be executed. (AUDIO: Loups-Garoux)
In the late 17th century, Squire Edwards was the magistrate of a village in Cornwall. (TV: The Smugglers)
In 1984, Sir George Hutchinson was the magistrate of Little Hodcombe. (TV: The Awakening)
In Castrovalva, the Fifth Doctor asked Shardovan if the Portreeve was a sort of magistrate. (TV: Castrovalva)
Isskar was a magistrate on Mars. (AUDIO: The Judgement of Isskar)
Kitty was worried that the Twelfth Doctor and Bill would take her and her orphan friends to the magistrate in 1814. (TV: Thin Ice)
On Gallifrey, the Magistrate of the Citadel was in charge of enforcing laws, from the Citadel bylaws to the laws of time themselves. (PROSE: The Infinity Doctors)