laborer vs servant

laborer

noun
  • One who uses body strength instead of intellectual power to earn a wage, usually hourly. 

servant

noun
  • One who is hired to perform regular household or other duties, and receives compensation. As opposed to a slave. 

  • A person of low condition or spirit. 

  • One who serves another, providing help in some manner. 

  • A person who dedicates themselves to God. 

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