Because there were not the least embarrassed or afraid to communicate with others, such as fear, speaks of fear. And afraid to interact with others. Feeling no confidence or lack of confidence in ourselves.
Because there were not a little embarrassed or afraid to communicate with others, such as fear of public speaking, fear of fear to express themselves and interact with others. The uncertain Or lack of self-confidence.
Because quite a few people were ashamed or afraid to communicate with others, such as the fear of speaking, afraid to show off and afraid to interact with others. Feeling no confidence, or lack of self-confidence.