Deputy

Deputy was a position.

In 1881, the First Doctor was temporarily made the deputy sheriff of Tombstone. (TV: The Gunfighters)

In 1930, Howard Tibello was the deputy of the Mayor of New York City. (TV: Daleks in Manhattan)

In 3060, Mitchell was the deputy to President Bailey on Puxatornee in 3060. (AUDIO: Flip-Flop)

By the time the Seventh Doctor visited the planet Parking, Kempton had become a deputy among the Wardens. (AUDIO: The High Price of Parking)