evangelist vs indoctrinator

evangelist

noun
  • An itinerant or special preacher, especially a revivalist, who conducts services in different cities or locations, now often televised. 

  • A person marked by extreme enthusiasm for or support of any cause, particularly with regard to religion. 

  • A patriarch. 

  • A person hired to promote a particular technology. 

  • A person who first brought the gospel to a city or region. 

  • A writer of a gospel, especially the four New Testament Gospels (Matthew, Mark, Luke, and John), usually capitalized (Evangelist). 

indoctrinator

noun
  • One who indoctrinates. 

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