barfly vs pioneer

barfly

noun
  • a person who spends much time in a bar or similar drinking establishment 

  • a promiscuous person, especially a woman, who frequents bars hoping to find sexual partners 

pioneer

noun
  • A member of a children’s organization operated by the Communist Party, typically in the second of three stages toward becoming an member of the Party itself. 

  • A person or other entity who is first or among the earliest in any field of inquiry, enterprise, or progress. 

  • One who goes before, as into the wilderness, preparing the way for others to follow. 

  • Some people will consider their national heroes to be pioneers of civilization. 

  • A member of any of several European organizations advocating abstinence from alcohol. 

verb
  • To be the first to do or achieve (something), preparing the way for others to follow. 

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