Let's see what is a
fan and a
nonfan...
Definitions of
sports fan. noun. an
enthusiastic devotee of sports. synonyms:
fan, rooter.
https://www.vocabulary.com › ...
Sports fan - Definition, Meaning & Synonyms - Vocabulary.com
On the contrary, ......
Some words that might be used to describe
someone who is not a sports fan include:
nonfan, detractor, critic, carper, belittler, and nonadmirer.
A sports fan is someone who is an enthusiastic devotee of sports. A fan is different from a spectator (who watches sports but does not have the same level of affiliation with the sport).
Sounds like Dak is right.