It's a shame the original thread is locked because it seems like the sort of thing that could benefit from a bump but here it is...
(I'll bump this again if the original post gets burried on the home page.)
Sharon Mod 's post:
https://community.autism.org.uk/f/parents-and-carers/32285/could-you-be-a-parent-to-parent-emotional-support-helpline-volunteer