merchant vs pro-shipper

merchant

noun
  • A trading vessel; a merchantman. 

  • A person who traffics in commodities for profit. 

  • Someone who is noted for a stated type of activity or behaviour. 

  • The owner or operator of a retail business. 

verb
  • As a resident of a region, to buy goods from a non-resident and sell them to another non-resident. 

pro-shipper

noun
  • One who supports a specific ship or shipping in general. 

  • One who supports a ship or shipping deemed problematic (e.g., due to incest, age differences, abusive dynamics, etc.), and/or believes in the freedom to create and consume fanworks with such elements. 

How often have the words merchant and pro-shipper occurred in a corpus of books? (source: Google Ngram Viewer )