rouper
/ˈraʊpə/Scottish. Now historical
noun
A person whose belongings are sold at a roup. Also occasionally: an auctioneer.
Origin
Mid 16th century. From roup + -er. Compare Middle Dutch roeper person who shouts, herald (Dutch roeper also regional (Flanders) in specific sense ‘auctioneer’), early modern Dutch wtroeper herald, auctioneer.