An obsessive fan, a superfan
"The tragic spent every waking hour analyzing the director's latest cut while ignoring his own failing health."
In plain English: A tragic is an adjective used to describe something very sad and unfortunate, not a noun.
"The tragic left the hall quietly after hearing bad news about his family."
Causing great sadness or suffering.
"The tragic news of the accident caused deep sorrow among everyone in the community."
In plain English: Tragic means something so sad and heartbreaking that it feels terrible to witness.
"The tragic accident left everyone in shock and grief."
From Ancient Greek τραγικός (tragikós, "of or relating to tragedy"), from τράγος (trágos, "male goat"), a reference to the goat-satyrs of the theatrical plays of the Dorians.