Hi Zita. Fear of failure and fear of being judged negatively by others are symptoms of low self esteem. You said you don’t know where these feelings of inferiority come from. These fears that you describe can be paralyzing. Thats why you are staying in your comfort zone. I think professional help is needed to get unstuck. A therapist or counselor who is an expert in self esteem issues can help you develop CBT or self compassion skills that will help you change these negative thoughts about yourself. Best of luck.