rhyparographer
/rɪpəˈrɒɡrəfə/(also riparographer, ryparographer)
noun
A person who paints or writes about distasteful or sordid subjects.
Origin
Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From classical Latin rhyparographos painter of low or sordid subjects + -er; compare -grapher.