Seek Support - There are a number of specialist organisations that provide specialist support, including counselling for those affected by harassment. You could encourage your peer to reach out for such support. A list of organisations can be found here
- https://www.samaritans.org/branches/central-london/
- https://www.supportline.org.uk/problems/stalking-and-harassment/
- https://www.victimsupport.org.uk/you-co/types-crime/abusive-relationships/stalking-and-harassment/
- https://www.police.uk/advice/advice-and-information/sh/stalking-harassment/support-victims-harassment/