What if it was a group of religous pilgims that offered you the chance to ride along?
it will probably be a religous group or groups who first set out to put permenant settlements out there somewhere...
Hey maybe that's what the Scientologists have all their secrecy surrounding...Their collecting capital to fund a "multi-generation starship".
Can you imagine anything worse than the horror of being locked into a spaceship with Tom Cruise for the rest of your natural life?
The Horror. The Horror.