Trusted Role:
For an example who follow the channel at least 2 weeks or more and don't get timeout from bot or moderators in a specific interval.

Trusted Only Chat:
Streamers or moderators can use this role to solve situations, when the chat goes crazy and uncontrollable becouse of too many spam or messages in a specific topic like technical issues.
Some Streamers use Sub Only Mode situations like above, but is not guaranteed they can behave in a right way.

This Role maybe have a badge which is maybe disabled in default and the Streamers can decide to enable or disable it.