Create a solution {Analogical}

the world is split in two, light sides. and dark sides. each person is assigned with a power, a meaning(meaning what they stand for) and a guardian(animal) they have their roles. they argue, the fight, the light sides work for good. the dark work for evil.

but what happens when a certain anxious Dark Side. decides he'd like to stand on the light side, but stay in a grey area?