Welcome to Psych Central, lavenderbuttercup. Two forums, here on PC, that may be of particular interest to you would be the Survivors of Abuse forum & the Self Injury forum. Here are links to these forums just in case you haven't already found them:

https://psychcentralforums.com/survivors-of-abuse/

https://psychcentralforums.com/self-injury/

And then here are links to a selection of 9 articles, from Psych Central's archives, that may be of interest:

Social Anxiety Overview | Psych Central

6 Ways to Overcome Social Anxiety

Overcoming Social Anxiety the Alchemist's Way

https://blogs.psychcentral.com/savvy...dium=popular17

https://blogs.psychcentral.com/savvy...dium=popular17

https://blogs.psychcentral.com/savvy...dium=popular17

https://blogs.psychcentral.com/savvy...-brain-part-4/

https://blogs.psychcentral.com/imper...tional-wounds/

https://psychcentral.com/blog/how-to...idal-thoughts/

I hope you find PC to be of benefit.