What's trust got to do with it?
The Pilgrams were thought of as a threat, that's why they were hounded out of England. The whole purpose of "like minded" people coming together and forming a new society is to eliminate the need or desire for a class system. Everyone is there because they have a common cause.
Once people begin migrating out into space, who cares what those back on Earth think? I'm sure that in many instances, both parties will be gald to be rid of the other.