nonfan

• non-fan

From non- +‎ fan.

nonfan (plural nonfans)

1. A person who is not an admirer or aficionado of a particular event or sport.
   • 2007 September 16, “Letters to the Editor”, in New York Times‎^[1]:

     Spectator rowdiness and movement during matches is considered part of the “modern era of tennis” and good for the game, attracting nonfans interested in the spectacle.

• Fannon