Ginger is a flashy redheaded Archon, previously in the service of Charlescomm, then croaked and decrypted during and after the Battle for Gobwin Knob, and now in the service of Gobwin Knob. She (along with MaryAnn) was selected by Parson to accompany him on his rounds.
Real World References
Ginger is a reference to the character by the same name on the television show Gilligan's Island. On the show, she was a savvy movie star who was a contrast to Mary Ann's sweet, naive country girl.