persecutor vs vamper

persecutor

noun
  • A person or thing that persecutes or harasses. 

vamper

noun
  • One who vamps; one who creates or repairs by piecing old things together; a cobbler. 

verb
  • To swagger; to make an ostentatious show. 

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