Sapphire Waterlilly
Seraphor
Perhaps and his power-tripping ambition to fill Bens shoes leads him to moving the island yet again and thus geting kicked off the island.
Wait, no I think he went off the island only to find the Oceanic 6 and make them come back. Because if you remember he told them horrible things happened when they left. So maybe he felt like he didn't have a choice and had to go find them.