Create a point about what you want to talk. Write down in your hand, paper, everywhere do you think you can access easily.
Try to practice in front of a mirror, or your inner circle.
In talks:
Talk for yourself. focus on your topic. Don't think about audiences doesn't like/like too much, They just focus on the events --> that's my mistake I did and make me nervous in the middle of talk.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Before:
In talks:
Talk for yourself. focus on your topic. Don't think about audiences doesn't like/like too much, They just focus on the events --> that's my mistake I did and make me nervous in the middle of talk.