Chiekage

The (ちえ影;lit mean Wisdom Shadow) is the leader of Reikaigakure and is the strongest shinobi of the village. Kiba Uchiha the founder of the village is the first and current Chiekage.

Unlike other villages, the Chiekage title is offered to someone under the orders of the Wisdom Lord and his personal council. This is to insure that the Chiekage wouldn't betray their village and cause tyranny like the kings who ruled before the foundation of the village.

First Chiekage
Kiba Uchiha became the First Chiekage(初代ちえ影;shodai chiekage) after defeating the Tyrant King and building the village. The Wisdom Lord chose him as the Chiekage because of his liberating of the people.