errand boy vs legate

errand boy

noun
  • Someone in a responsible position who performs relatively menial tasks for a senior manager. 

  • A male employed to run errands. 

legate

noun
  • The deputy of a provincial governor or general in ancient Rome. 

  • An ambassador or messenger. 

  • A deputy representing the pope, specifically a papal ambassador sent on special ecclesiastical missions. 

verb
  • To leave as a legacy. 

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