evangelist vs prosumer

evangelist

noun
  • A person hired to promote a particular technology. 

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

  • A patriarch. 

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

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

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

prosumer

noun
  • A serious, enthusiastic consumer: not professional (earning money), but of similar interest and skills to a (generally lower level) professional, or aspiring to such. The target market of prosumer equipment. 

  • A person in postindustrial society who combines the economic roles of producer and consumer 

adj
  • Targeted at serious, enthusiastic consumers, incorporating professional features but often modified for non-professional use. 

  • high-end 

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