Dennis Rogers was born and raised in Liberia, but he fled to the United States due to poverty and war at home.
While in the States, Dennis mentions he worked as a mechanic in a garage. He said that the owner made fun of his accent and tried to pay him less than his co-workers.
Dennis eventually left the states after living there for a decade and relocated to the Rook Islands, where he met Citra Talugmai and proved himself of becoming a warrior to the native Rakyat. Years later, most of the Rook Islands were taken over Hoyt Volker, and by a gang of pirates led by Vaas Montenegro, Citra's sadistic brother. Some time later, Dennis rescued an unconscious American man and brought him to Amanaki Village. When he woke up, the man introduced himself as Jason Brody and that he, his friends, and younger brother Riley Brody had been captured by Vaas, but his older brother, Grant Brody, was killed by Vaas during Jason's escape. Dennis presented Jason to the villagers, they cheered, which Dennis explained as a hope against the pirates.
Dennis appears at the end of the game if the player chooses to save his friends. Furious about Jason's decision, Dennis attempts to stab him. However, Citra steps between Dennis and Jason, leading to Dennis accidentally stabbing Citra. Dennis stands shocked, as Citra falls, then breaks down over Citra's corpse as the screen fades. In both endings of the game, he is assumed to be alive as there is no evidence of him being dead.
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