immigrant vs non-local person

immigrant

noun
  • A non-native person who comes to a country from another country to permanently settle there. 

  • A plant or animal that establishes itself in an area where it previously did not exist. 

adj
  • Of or relating to immigrants or the act of immigrating. 

non-local person

noun
  • term used by local residents for people from elsewhere 

How often have the words immigrant and non-local person occurred in a corpus of books? (source: Google Ngram Viewer )