one's seniors and juniors; senior-junior relationship
Refers to the pair or relationship between senior (先輩) and junior (後輩) members in a group, emphasizing the hierarchical bond.
The senior-junior relationship is very important in Japanese workplaces.
He doesn't pay much attention to the distinction between seniors and juniors.
seniority-based hierarchy; hierarchical system
Describes the social structure or system where rank is determined by seniority, often in schools, clubs, or companies.
This club has a strict seniority-based hierarchy.
The culture of seniority-based hierarchy is deeply rooted in Japanese society.
A broader term for hierarchical relationships in general, not limited to the senior-junior dynamic.
Compound of 先輩 (senior) and 後輩 (junior), directly expressing the senior-junior relationship.