The Goddess was the primary deity of the Pius Dea, a monotheistic faith that controlled the Galactic Republic for over a millennia during the Pius Dea Era. According to Pius Dea belief, those who purified or destroyed "unpure" beings would be handsomely rewarded by the Goddess.
Sources
Tinker, Tailor, Soldier, Praji on Hyperspace (article) (content obsolete and backup link not available) (First mentioned)- The Essential Guide to Warfare