sentences:  Giorgi then raided and ravaged Guria in response of Mamia's support of Abashidze.Giorgi's corrupt rule soon became intolerable to the Imeretians; in October 1711, Mamia secured the support of the nobles of Mingrelia, Racha, and Lechkhumi and reestablished himself as king of Imereti, leaving Guria to his son Giorgi IV Gurieli.During his tenure, he banned slave-trading and opened schools in Guria.