Hello,
thank you for your answer. Here I provide a detailed description of my problem:

I feel lost and insecure in my life. I can only get rid of emptiness by trying to achieve feeling superiority and importance (e.g. through help to people). How to get rid of this desire and find true meaning in my life?
The desire to feel important completely controls my life. Moreover, the ego is greedy and wants more and more. The more ego grows, the harder I can control myself. Then I achieve feeling of superiority by very unhealthy ways that hurt me and those around me. You advised me here (Error 404 - Quora... -Is-it-normal) to try not to do things for feeling of superiority. But how can this be achieved when this desire controls my life too much? How do I stop feeling superior when doing things that automatically bring me that feeling?

Thank you for your advice.