A Umentor is a past Upopolis user who is now older than 18 years of age. They have been selected by the Upopolis Program Manager due to their commitment in using Upopolis, as well as their expertise navigating the health care environment as a patient. The Umentor is able to provide users with guidance and support due to their extensive experience with illness as a pediatric patient who has now transitioned to adult care. The Umentor works directly with the Upopolis Program Manager to produce a safe and secure, positive and therapeutic environment on Upopolis.