Some random thought courtesy of a short chat with Stras Acimovic regarding the racial move for the Barbarian.
“Outsider” can mean elf, human, dwarf, halfling, lizardman, mastodon, thri-kreen, etc etc from somewhere-not-here but it can ALSO mean TIME TRAVELLER or something weirder, still. Dead man brought back to life? Embodied elemental accidentally trapped on our plane.
Get crazy with it.