Helping other people and engaging socially, makes you happy. That has even been scientifically proven. It strengthens the feeling of self-worth, you are happy for the gratitude and the appreciation and you feel the bond to each other. So those who help others and engage socially are doing themselves some good as well as others.
So there are also many people who would be happy to share their positive outcomes with others by making their knowledge and experience available.
These self-help groups and initiatives will support you at various locations with words and actions: