devotedfan
nounUK /dɪˈvəʊtɪd fæn/
US /dɪˈvoʊtɪd fæn/
A devoted fan is someone who loves a team, band, or show very, very much.
She is a devoted fan of the soccer team and never misses a game.
OTHER MEANINGS
2. A person who spends a lot of time and money on their favorite hobby or celebrity.
The devoted fan traveled across the country to see the concert.
3. A supporter who stays faithful even when the team loses.
Even after ten losses, the devoted fan still cheered loudly.
4. Someone who knows many details about a book or movie series.
As a devoted fan, he can name every character in the series.