A tour guide led visitors to and around a place and showed them interesting features.
The Tenth Doctor rhetorically asked if he was the Dreamland tour guide. (TV: Dreamland)
While living in Gloucester, Ruth Clayton was a tour guide at Gloucester Cathedral. (TV: Fugitive of the Judoon)
In 2021, Dan Lewis pretended to be a tour guide at the Museum of Liverpool. (TV: The Halloween Apocalypse)