messiah vs oppressor

messiah

noun
  • A similar religious figure or awaited divine ruler, such as the Islamic Mahdi. 

  • The one who is ordained by God to lead the people of Israel, believed by Christians and Muslims to be Jesus Christ. 

  • An extremely powerful figure. 

oppressor

noun
  • Someone who oppresses another or others. 

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