inhibitions - A feeling of self-consciousness or restraint that prevents someone from acting freely; a psychological or social barrier that limits a person’s behavior or expressions.
His inhibitions kept him from speaking up during the meeting, even though he had great ideas.
conformist - A person who behaves in accordance with prevailing standards or customs, rather than doing things that are different or original.
The hippies attracted people who didn't want to be conformists to the regular society, but actually they were becoming conformists to the hippie way of life.