black hat vs violator

black hat

noun
  • A malicious hacker, one who violates computer security out of maliciousness or for personal gain. 

  • A villain or bad guy in a story, especially in a Western (a film or other work of the Western genre). 

  • A Haredi Jew; a member of an ultra-Orthodox Jewish community. 

violator

noun
  • One who violates (a rule, a boundary, another person's body, etc.); offender 

  • In the publishing and packaging industries, a visual element that intentionally "violates" the underlying design, such as a starburst, color bar or "splat" on a product package or magazine cover intended to attract special attention. 

How often have the words black hat and violator occurred in a corpus of books? (source: Google Ngram Viewer )