per the console, these are the permissions the default group and his individual person has, which should only be what default has.
Not sure how or why, but when I unloaded the vanish plugin, he was no longer vanished.
<color=red><l===l>Group 'default' permissions: fauxadmin.allowed, instantcraft.use, blueprintmanager.all, build.perm, nteleportation.tpr, godmode.toggle, godmode.invulnerable, bgrade.all, godmode.untiring, mych47.spawn, mych47.cooldown, itemskinrandomizer.reskin, itemskinrandomizer.use, myminicopter.spawn, myminicopter.fetch, myminicopter.cooldown, myminicopter.unlimited, backpacks.use, nightlantern.campfire, nightlantern.firepit, nightlantern.fireplace, nightlantern.lanterns, nightlantern.jackolantern, nightlantern.tunalight, nightlantern.searchlight, nightlantern.cursedcauldren, nightlantern.chineselantern, f1spawn.blacklist1, infinite.ammo, removertool.normal</l===l></color=red>
oxide.show user 76561198297103216
Player 'Devil Spy Main (76561198297103216)' permissions: fauxadmin.allowed, instantcraft.use, blueprintmanager.all, build.perm, nteleportation.tpr, godmode.toggle, godmode.invulnerable, bgrade.all, godmode.untiring, mych47.spawn, mych47.cooldown, itemskinrandomizer.reskin, itemskinrandomizer.use, myminicopter.spawn, myminicopter.fetch, myminicopter.cooldown, myminicopter.unlimited, backpacks.use, nightlantern.campfire, nightlantern.firepit, nightlantern.fireplace, nightlantern.lanterns, nightlantern.jackolantern, nightlantern.tunalight, nightlantern.searchlight, nightlantern.cursedcauldren, nightlantern.chineselantern, f1spawn.blacklist1, infinite.ammo, removertool.normal Player 'Devil Spy Main (76561198297103216)' groups: default