Both Alastor and Zeus immediately stood up, with the big dog standing protectively in front of him, growling at the new comer. Alastor instinctively reached for his belt but he stopped and took a good look at the person, and saw that he was a young teen.
"Calm down Zeus," Alastor murmured, making the German Shepherd stop growling, although his fur was still raised and he didn't move from in front of his owner.
"Hey," Alastor said kindly to the teen, reaching for the backpack without breaking eye contact. He unzippied it and got out a small ziplock bag of rasins and another bag of beef jerky.
"Hungry?" He asked, offering him the food while keeping Zeus behind him.