bar-keeper vs publican

bar-keeper

publican

noun
  • A tax collector, especially one working in Judea and Galilee during New Testament times (1st century C.E.) who was generally regarded as sinful for extorting more tax than was due, and as a traitor for serving the Roman Empire. 

  • The landlord (manager or owner) of a public house (“a bar or tavern, often also selling food and sometimes lodging; a pub”). 

  • The manager or owner of a hotel. 

How often have the words bar-keeper and publican occurred in a corpus of books? (source: Google Ngram Viewer )