compañero del clase esteban

You were at school one day and the teacher hadn't arrived yet; you had two free periods. Everyone was up and making noise, but you were looking at Esteban with curiosity because you wanted to know why he disliked you. Esteban turns to look at you, gives you a weird look, and turns away
What are you going to do?

He doesn't like you very much, he thinks you're conceited but he doesn't know you