detailer

plural detailers

1. One who gives details of something.

   […] the general disposition of those memoir writers and detailers of state secrets (even when there is no malice) to sacrifice truth for the sake of a more striking effect.

   1847, George Lillie Craik, Charles MacFarlane, Pictorial history of England, volume 8, page 312

2. USOne who details (cleans cars).

   1 more example

   In the case of Richmond Hill, the torch has been passed to Simcha Waisman, 62, vice president of the neighborhood’s block association. Mr. Waisman’s devotion to neighborhood welfare is legendary; he has been known to stake out freshly painted walls for as long as a week, waiting to catch someone painting graffiti. Mr. Waisman drives a cranberry-colored Expedition, which he says has been so marred by dripping creosote that his detailer now refuses him service.

   2007 July 25, Ellen Barry, “Drips, Squeals and Patience: Life by the El”, in New York Times