rebel vs rioter

rebel

noun
  • A person who resists an established authority, often violently. 

  • Synonym of Confederate: a citizen of the Confederate States of America, especially a Confederate soldier. 

verb
  • To resist or become defiant toward an authority. 

rioter

noun
  • One who riots; part of the unruly violent crowd causing a riot. 

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