Makeela Riju

Makeela Riju also known as Riju is a member of the Gerudo Royal line and their monarch, ruling over them from Gerudo Town during the events of The Legend of Zelda: Breath of the Wild.She is very young and was thrust into her position of power only because of her mother's passing. Riju also possess a personal Sand Seal named Patricia and is shown being a skilled Sand Seal surfer.

History
For the moment Riju's role in the Zelda series is only composed of informations with an unconfirmed timeline placement and should stay this way until we have a definitive answer, so please don't add any information regarding the timeline placement without OFFICIAL confirmation, thanks.

The Legend of Zelda: Breath of the Wild
Riju is encountered not long after she accessed her position as the leader of the Gerudo following her mother's death, she rapidly see through Link's disguise due to the informations she hold about the Events that occurred during The Great Calamity and ask him to reclaim the Thunder Helm a Gerudo relic stolen by the Yiga Clan.

After Link completes this task, she tell him to meet her at the South Outpost outside of Gerudo Town, where they will launch their their assault on the Divine Beast Vah Naboris.

After the Divine Beast has been freed, Riju will thank Link and allow him to use Urbosa's weapons: the Scimitar of the Seven and the Daybreaker shield.

Trivia

 * Her full name is only known via her diary