dispatcher vs flag-bearer

dispatcher

noun
  • Any die used for cheating, whether fraudulently weighted or bearing duplicate numbers. 

  • A piece of software responsible for assigning priorities and resources to tasks waiting to be scheduled. 

  • In a transportation organization, a person who controls the movements of vehicles. 

flag-bearer

noun
  • One who openly promotes an idea or value and becomes symbolic for it. 

  • One who carries a flag, especially at a ceremony. 

How often have the words dispatcher and flag-bearer occurred in a corpus of books? (source: Google Ngram Viewer )