Almost every colony ever: gets oppressed and exploited, fights for independence, gains sovereignty, becomes either a tense ally or a hostile rival to their former empire
If by undesirable you mean I desire instead to keep living, and by conserve my way of living you mean I just get to continue breathing - then yes. They try to kill me, there's no moral limit on what I can rightfully do in return if they don't succeed. Including rocket them off to planet conservative before they get another shot.
Also the whole industrialization, privatization, and rise of capitalism thing in Europe that led to successive waves of emigrants leaving or being coerced from their homelands.
I think in general people don’t leave their communities and families without some kind of direct or indirect violence.