The other people who help Ai in her vengence for other people 1st-Old Man(I really don't know his)The wheel who gets Ai to her clients 2nd-Ren(once was a sword before meeting Ai)He keeps watch over Ai and other people 3rd-Hone Son(the geisha lookin lady)she talks to people who want to exact vengence
4th-Ai's Grandma even thought you don't really see her she stays behind a door and tells Ai when someone is trying to contact her And Kikuri-lets just say shes the spider only in childs body.