high and low, rich and poor
A yojijukugo referring to people of all social ranks and economic statuses, often used to emphasize universality across class and wealth.
It's an event that anyone can join, regardless of social standing or wealth.
A yojijukugo composed of 貴 (noble), 賤 (lowly), 貧 (poor), and 富 (rich), literally meaning 'noble, lowly, poor, rich'.