There’s a set of archetypes (boatman, barkeep) that can be confused with threshold guardians, companions, and teachers, but are really to be thought of as stagecoach types. They carry and coach people through specific stages. Your life chapter is their whole life.
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From the perspective of a vertically integrated life the life of a stagecoach seems mindlessly repetitive and stalled. But I suppose they find depth in breadth. Lagrangian vs Eulerian life flows.

