subaltern, deputy, assistant, underling, associate, junior, subservient, proxy, adjunct, subsidiary, more...

superior, dominant, senior, higher, principal

assistant, aide, deputy, second-in-command, more...

immediate, former, superior, loyal, young, mere, direct, military, chief, female, principal

lower in rank,   lesser importance,   less prominent,   lower in position,   work under,   takes a backseat,   working under,   less important than,   follows orders,   lower priority