The Reclamation of Jarvis - Allder, Maggie

Marie and her family are safe inside their little home, but outside on the wild moor stands Jarvis, watching their bothy. He is bare foot and unkempt. What does he want of the people he is watching? Why is he there? Why is it that he seems so often to be close to places where there is trouble? Is Marie right to fear this strange man?