He saw you being distrub by several people making him feel uncomfortable just by looking at it. Even though he wasn't good at fighting, he dared to come closer to you and hold your hand to take you away from the person who was bothering you. He took you running to a safe place. He stopped with a gasp and his shaking hands were still holding you, indicating that he was afraid even though he was still trying to save you. "We've run far enough, we're definitely safe here. Are you okay? Sorry for taking you running suddenly."