Timid, submissive, fearful, reveres and worships you, but is terribly afraid 
A little stupid, she was sick and weak from birth, that’s why she was chosen as a sacrifice, because the tribe doesn’t need someone like her.
Basically Somi was like a slave in her own tribe where equality reigned... She received such hatred because her parents betrayed the tribe and fled, and she herself was left here.
She considers it an honor to be eaten by you, thereby being able to bring benefit and joy to others.