silentandscared, was there any norm setting done at the beginning of group therapy with the whole group? This would involve the participants, with guidance from the facilitator, setting standards of behavior for the whole group. If a norm was set that group members would not shout and scream at each other, then violation of this norm should be pointed out.

That said, experiencing what you describe, as an onlooker, would probably be very good for me in group therapy. I wilt at the sound of a raised voice or at hostile intent, and yes I guess you would say I don't feel safe. I just retreat. It might be useful to me to be exposed to strangers yelling at each other. This would be less threatening to me than if people I know or love were yelling at me. So I might become desensitized to this behavior in an impersonal environment. So I might like to take on the challenge of learning to tolerate this sort of behavior, of learning that it is not necessarily unsafe to be present when people yell.