If you are being truthful to yourself, you'd realise... Most of your Mentors didn't achieve what you've achieved when they were at your Age.
You are actually doing great - by your own standards. You are NOT a Failure!
Increase your influence. Don’t be hypnotized by big brands in business, politics, religion, etc., believing there’s no space for you. Develop character and competence. Add massive value. Find your voice. Leverage opportunities to be visible. Don’t hide your light under a basket.