The goal has never been to always succeed. The goal is to be allowed to keep initiating.
I do not think you can get rid of the fear... but you can dance with it.
Not only must you be an artist, must you be generous, and must you be able to see where you can help but you must also be aware. Aware of where your skills are welcomed.
Tell your lizard (brain) to shut up.
Transferring your passion to your job is far easier than finding a job that happens to match your passion.
Average feels safe but it's not. It's invisible.