It is known as Idealism.
In philosophy, idealism is aimed to assert the fundamental reality that humans commonly face as we know it.
This type of view tend to not really popular because the majority of us often prefer to hear comforting lies rather than have to face the cruel reality that exist in our society/environment.
The grand jury reveals the evidence against the accused.
B, advocate. Being an advocate means you speak out for it, or that you show your support for something.
As the questions states "are," this implies that multiple answers are possible. In that case, all of these would be useful strategies to reduce the stigma against people with psychological disorders.
If people increased their contact with members of this population, they would stop seeing psychological disorders as something far from them and difficult to understand. Moreover, if they increased their education on the subject, they would be less likely to have prejudices or stigma against these people. Finally, increased equality education would allow members of this population to be more included in society, which would most likely decrease the stigma.