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We have many posts from people working on this kind of issue, most often it’s characerised as a form of social anxiety, so that search term shows a few ideas.
I’d suggest a two pronged approach: Working with Belial or Paimon (there are many others who will also help with this) on the self esteem, and at the same time run an attraction spell to bring someone into your life who is not just compatible but can also help you feel confident with them.
Look up “hex break” or “generational curse”. I like this one but this is also one that had a few ideas over the years…