Who is Tamu from Monster: The Autobiography of an L.A. Gang Member and what is their importance?

Tamu is not a member of the Crips, and Kody admits that's one of the things that attracts him to her. Tamu seems to recognize the good in Kody though she is faced with the fallout of his actions as he's taken from her life to spend time in jail. Even though Kody opts to handle gang business on the night Tamu gives birth, she holds onto her love for him. Tamu herself seems to seek responsibility and respectability. She holds a job and waits while Kody completes a jail term.