https://23nlpeople.com/the-schizogenic-double-bind-gregory-bateson/
"...Classically, the relationship takes the form of “one-up/one down” where the context defines the position of each person. For example, the tea boy in an office may be in the one-down position to both managers to whom he serves tea – they have power assigned to them by the context of employment and work practice and are both in a one-up position to the tea boy. However, one manager may be more senior than the other so he may be ‘one-up’ to both his colleague and the tea boy. However, the distance differs between each relationship...."