主客転倒（しゅかくてんとう）

Japanese vocabulary

Meaning: reversing the order of (relative) importance (of); putting the cart before the horse; the tables being turned; mistaking the insignificant for the essential; mistaking the means for the end

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “主客転倒” pronounced in real videos (YouGlish)