The luguru tribe of east africa believes the ancestral spirits are concerned with guiding human affairs. the active involvement of the creator in their lives. that agriculture leads to a banishing of the gods from human life. in patriarchal social practices.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.