However, this separation is for the benefit of both groups. This has been repressed in the interest of service to the self. They are not clambering for the mix, either. The desire for distance is mutual. Only when both agree, and under a strict set of rules.
Agreement can involve a group, or an individual.
All this is spelled out. An individual may engage an individual, or an individual may engage a group, or a group may engage a group. A group would be a specified number of entities, or a representation of a larger group. Engagement - meaning that no engagement has been agree upon, and none will occur. This will happen if there is a request for an engagement, but the request is refused.