@zoeyyyyl
To build confidence in public speaking: Practice repeatedly, prepare thoroughly, use deep breathing, adopt power poses, start small with familiar audiences, and focus on serving your message rather than perfection.
professional.dce.harvard.edu
https://professional.dce.harvard.edu/blog/10-tips-for-improving-your-public-speaking-skills/
https://www.mayoclinic.org/diseases-conditions/specific-phobias/expert-answers/fear-of-public-speaking/faq-20058416