In the beginning of the Phantom Menace, we know that everyone's favorite Gungan was banished from Otoh Gunga. Later in the movie he becomes a General, helping resolve the differences between the Naboo and the Gungans, helping save Naboo from the Trade Federation, and later in the series he becomes a politician.
In the book Aftermath, Empire's End we see that Jar Jar is very much alive and well, but the adults hate him. A boy asks him why and he says that he was banished a longo time ago. Was this a second banishing after the events of RotS, or was his original banishment never removed?