babalban
A person who is so self-centered that they think they're the main character of every story and everyone else is just there to cheer them on.
My teacher is a babalban. She thinks she's the best teacher ever. She also thinks we're all her fans.
My friend is a babalban. He thinks he's the most popular person in school. He also thinks he's the most famous.
My mom is a babalban. She thinks she's a movie star. She also thinks I'm her biggest fan.