separatist vs true believer

separatist

noun
  • Someone who advocates separation from the established Church; a member of any of various sects or schismatics. 

  • A person who advocates or seeks the splitting of one country or territory into two politically independent countries or territories. 

adj
  • Advocating ecclesiastical separation. 

  • Advocating or seeking the separation of one country or territory into two politically independent countries or territories. 

true believer

noun
  • A strict follower of a doctrine. 

  • One who believes dogmatically in something regardless of evidence or even conclusive proof that the thing is false or was staged; one who has true-believer syndrome. 

  • Used other than figuratively or idiomatically: see true, believer. 

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