rent-racker
/ˈrɛntˌrakə/Now chiefly historical
noun
A person who imposes a rack rent on someone.
Origin
Mid 16th century; earliest use found in Thomas Drant (c1540–1578), poet and Church of England clergyman. From rent + racker. Compare later rent-rack, rent-racked, rent-racking, and rent-racking.