If you want to be your best while being less fearful of people’s opinions, you need to develop a stronger and much deeper sense of who you are.
Think about a time when you were extremely anxious — say, before standing up to publicly speak, raising your hand in a big meeting, or even walking through a room of strangers. The reason you felt small and scared and tense is you were worried about social disapproval. Our fear of other people’s opinions, or FOPO as I call it, has become an irrational and unproductive obsession in the modern world, and its negative effects reach far beyond performance.
https://hbr.org/2019/05/how-to-stop-worrying-about-what-other-people-think-of-you