No, she joined a group of Guardians who want to do more than just use the Light to kill. Osiris isn't a pacifist and he is inner system. The Nine are not light wielders but that doesn't mean there isn't a group of Guardians living around Jupiter/Saturn or even in the Reef. We may find out more later, as Rasputin had sent Siva into deep space, destination was unknown but appears to be possibly extra solar.

Iron Lords, like Guardians can pretty much do what they wish. She left before the Siva event. Whilst Saladin is at Felwinter Efrideet will take over his post as IB rep.