Communication Apprehension

The feelings of shyness, embarrassment, and anxiousness faced in situations where some form of communication is required. Communication apprehension can also be defined as the anxious anticipation of experiencing embarrassment that is sometimes felt during public speaking.

Reference:
Withers, L. A., & Vernon, L. L. (2006). To Err is Human: Embarrassment, Attachment, and Communication Apprehension. Personality and Individual Differences, 40(1), 99-110.