I'm a joined trill who has ended up stuck on this planet. My ship crashed somewhere in the Mojave Wasteland and was destroyed.
I went through a few jobs before finally getting work as courier and I then ended getting shot in the head.
Some folks (using the local lingo) have accused me of having split personalties but that’s a lie there just happens to be a lot of people running around the Mojave who look a lot like me (and are also Trill?).
(For information about the Trill see http://en.memory-alpha.org/wiki/Trill and http://memory-beta.wikia.com/wiki/Trill Merida is a Joined Trill see Joining)