Predators target vulnerable children. The more the emotional deprivation the easier it is. Harry was an easy target. But what happens when Severus Snape discovers the truth during the first Occlumency lesson? What will the potion's master do when even he's knocked out of his comfort zone? (Fifth year). Mentor/Fatherly Snape (Eventually). Rated M for theme (non-graphic). (Read&Rev?)