Loneliness Support Group
Loneliness is an emotional state in which a person experiences a powerful feeling of emptiness and isolation. Loneliness is more than the feeling of wanting company or wanting to do something with another person. Loneliness is a feeling of being cut off, disconnected and alienated from other people. The lonely person may find it difficult or even impossible to have any...

Also look into HSP (highly sensitive person) definition. Find out who you are, and then you'll find out other people's tips on how to find "your stuff and your people" in this world, how to survive and build shields, what you can change about yourself and what you can't, etc etc.