Though Robin was somewhat taken aback by the young man's appearance, his face reflected nothing but kindness. "Welcome to Hogwarts, my young friend. You seem surprised to find yourself here - it is sometimes thus, and can be unsettling, I know. Ease your mind - all find a place here in time." He reached for the young man's hand, intending to clasp his wrist. "I am Robin of Loxley. Your answers to question number 2 and the Hufflepuff question seem to be connected. How did this Vaughan Urien hurt your family?"