D. Clarke

Initiate Clarke is a character appearing in Fallout 4.

Background
Clarke is a member of Brotherhood of Steel. Once, he fought with his brothers and sisters the feral ghouls at the airport. He had a friend, who got irradiated and turned into a ghoul. Despite his dedication to Brotherhood and his ideals, Clarke questioned his superior's motives. After the battle at the airport, Clarke is hiding in a metro infested by feral ghouls, for he is feeding the ghouls. Clarke believes the Brotherhood should not kill the feral ghouls, for the ghouls don't hurt anyone by staying locked away.

Effects of player's actions
The Sole Survivor has to find Clarke and confront him, either by speaking or killing him.

Cait likes it if the Sole Survivor kills Clarke

Appearances
Clarke appears only in Fallout 4.