Fetty Wap is a great example of an underdog coming out on top. He is a successful rapper who has struggled with disabilities with his vision since his childhood.
This line from his song “Trap Queen” should resonate with you. You shouldn’t stop what you are passionate about or may want to do because of potential ‘haters’ or disbelievers. At the end of the day, if someone is taking the time to voice their dislike of what you are doing, they are still putting their energy into following your movements and watching what you are doing. Otherwise known as a fan.