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Dani Rojas is the protagonist of Far Cry 6. They are either male or female depending on the player's choice, but they can't be customized nor renamed. Unlike the previous two games, Dani is more heavily involved in the plot and is a fully-voiced protagonist.
It is probable that the female is the canonical protagonist because the game defaults to the female character when creating a new game.
Dani was born and raised in Yara's capital city. A military dropout, Dani did not want to join the Revolution and instead wished to escape the country. Dani eventually gets swept up in the Guerilla movement and now has the goal to take on Antón in the Lion's Den, a nickname for the capital of Yara. It is revealed in the first moments of the game that Dani was an orphan. They describe how in their childhood they rigged a bike with a chainsaw.
After the fall of Castilo regime, most resistance leaders appoint Dani as the next El Presidente but Dani does not feel like a person who can manage the country so Dani let the leaders of the resistance factions to decide but in Dani's mind, Dani does not have much faith in them.