defender vs proctor

defender

noun
  • A lawyer who represents defendants, especially a public defender; a defense attorney (US) or defence counsel (UK). 

  • A defendant in a civil action. 

  • A fighter who seeks to repel an attack. 

  • Someone who defends people or property. 

  • One of the players whose primary task is to prevent the opposition from scoring. 

proctor

noun
  • A legal practitioner in ecclesiastical and some other courts. 

  • A person who supervises students as they take an examination, in the United States at the college/university level; often the department secretary, or a fellow/graduate student; an invigilator. 

  • A procurator or manager for another. 

  • A representative of the clergy in convocation. 

  • An official at any of several older universities. 

verb
  • to manage as an attorney or agent 

  • to function as a proctor 

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