barmaster vs overseer

barmaster

noun
  • An officer of the barmote. 

  • A local judge among miners. 

overseer

noun
  • The manager of a plantation of slaves. 

  • An officer responsible for the care of the poor, making out lists of voters and those who had not paid taxes, etc. 

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