The guards can't help you with this. It's against escorting law what they do but it's not a criminal matter. I like Silos idea. Get a man you know to ring back those that do it constantly. But instead of been a guard he could threaten them Tony Soprano style. And also sign thier number up to various organistions so they get loads of calls. Put their number up in public toilets and phoneboxes advertising as male cocksuckers