Instead, is there a WOMAN in the church that you feel would be open to what you have to say? Ideally, the RS president; but in any case, someone who would be likely to believe you. Because in the church, mothers, (NOT priesthood leaders!!!) are the members most likely to want to protect their daughters from this kind of abuse.
If you found a woman/mom as concerned about this as you are, the
Forum:
Recovery Board