The term 'enthusiastic follower' can be summed up as a FAN, which is a 3 letter word. A FAN is someone who is passionate and devoted to a particular person, team, or activity. They are often seen cheering on their favorite team or artist at events, and they may even collect memorabilia related to the person or team they are a FAN of. Fans are usually very supportive and loyal, and they often show their enthusiasm in various ways.