commission agent vs fixer

commission agent

noun
  • An agent entrusted with the possession of goods to be sold in the agent's name. 

  • A merchant earning a commission by selling goods belonging to others. 

  • A person entrusted with a confidential task, often secretly to place a bet. 

fixer

noun
  • A person who serves as an agent to arrange for a desired result, perhaps by improper means. 

  • A person who assists foreign journalists in volatile countries, often providing interpretation, personal connections, and transportation services. 

  • A fixer-upper. 

  • A person who arranges immunity for defendants by tampering with the justice system via bribery or extortion, especially as a business endeavor for profit. 

  • A chemical (sodium thiosulfate) used in photographic development that fixes the image in place, preventing further chemical reactions. 

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