breeder vs hobbyist

breeder

noun
  • A person who breeds plants or animals (professionally). 

  • A person who has had or who is capable of having children; a person who is focussed on the rearing of their own children. 

  • A heterosexual; i.e. one whose sexual intercourse can lead to breeding. 

  • A pattern that exhibits quadratic growth by generating multiple copies of a secondary pattern, each of which then generates multiple copies of a tertiary pattern. 

hobbyist

noun
  • A person who is interested in an activity or a subject as a hobby. 

  • A client in a girlfriend experience. 

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