My advice is to not be afraid of failure, sometimes things that you learn may not be so clear but if you keep learning and trying, you will understand better and it will build confidence to learn much more.
For further actions, you may consider blocking this person and/or reporting abuse
My advice is to not be afraid of failure, sometimes things that you learn may not be so clear but if you keep learning and trying, you will understand better and it will build confidence to learn much more.