There is no such English word as "aralt".
a - ra - lt
Aralt is a character in the book "From Bad to Cursed" who is one of the mysterious new students at the school. He is described as charming and handsome, but also secretive and manipulative. Aralt plays a key role in the story's unfolding events and has a dark and enigmatic presence throughout the book.
Harold is from a Norse name, Haraldr (army-might) brought to Ireland by the Norsemen. It was gaelicized as Aralt.
Its about a girl who's sister enters the sunshine club [a cult] and a whole bunch of other girls too. and they make an oath to Aralt that feeds off of the sunshine club becoming better people.