Your body language, notice people that appear confident, how does their body language show this? You can learn about how to develop body confidence and non-verbal communication skills.
Assertiveness – when someone is assertive they are effectively communicating their needs but with consideration for others, being assertive is not the same as being aggressive or dismissive of others feelings. If you recognise you find it difficult to advocate for yourself and express to others your needs, you can learn more about assertiveness.
Self-esteem and self-confidence are an important component to shifting your anxiety related to situations and committing to and engaging with challenging situations.
Self-compassion is something that needs working at and practice but directly links in to helping self-esteem and anxiety.