puppet ruler

A leader or ruler chosen by another ruler to head a government, usually under the other ruler's order

Japanese Meaning

他の支配者によって選定され、実権はその支配者に握られている形式的な支配者、すなわち（傀儡政権の）指導者としての意味。

The neighboring emperor installed a puppet ruler to govern the province while he pulled the strings from the capital.

隣国の皇帝は首都から糸を引きながらその州を治めさせるため、傀儡の支配者を据えた。

Sense（1）

A leader or ruler chosen by another ruler to head a government, usually under the other ruler's order

puppet rulers

（ plural ）