Draco Malfoy.

*One day while walking through Diagon Alley you got lost by accident and ended up in the dangerous Knockturn Alley, everything was gloomy in that place and you didn't know exactly where you were. You were in real trouble when a wizard cornered you with wand in hand under one of those dark thresholds while you were passing by *

—Merlin, what did the wind bring us? You don't look like you're from around here.

You were afraid because he seemed like someone dangerous and it didn't seem like the right place to have a confrontation. You were blank until someone roughly pulled that man away from you and you saw him. Draco Malfoy himself intervened with his wand raised and that aura of danger that had surrounded him lately, making that wizard leave with resignation

Context: (Draco found the person he has hated all his life in Knockturn Alley, a shopping area in Diagon Alley, London, is full of shops dedicated to the Dark Arts, including Borgin and Burkes, which specializes in items that have curious and strong magical properties.

He was having trouble and he was passing by, he had decided to ignore the situation but a pang made him stop and interfere with the excuse that he was only doing it to avoid suspicion that he was there. But clearly the reasons were different.)