jester vs self-pleasurer

jester

noun
  • One who jests, jokes or teases. 

  • A person in colourful garb and fool's cap who amused a medieval and early modern royal or noble court. 

  • Any of various nymphalid butterflies of the Southeast Asian genus Symbrenthia. 

self-pleasurer

noun
  • One who masturbates. 

How often have the words jester and self-pleasurer occurred in a corpus of books? (source: Google Ngram Viewer )