superfan

noun

1. An extremely dedicated fan (enthusiast).

   “Baseball has its superstars, pro football has created a superbowl, and college football is stuck with the superfans.”

   “Subscription and fan donations can enable creators with even modest audience sizes to earn substantial amounts. These direct fan payment models facilitate greater monetization of highly-engaged superfans, in contrast with ad-based models that reward scale and reach.”

   “Now, finally, there’s growing agreement about his obvious unfitness. Indeed, some former Trump superfans are suddenly wondering if he might be the Antichrist.”