Mobility.

There is, in the circumstances of modern life, only one solution to the problem of resentment, and that is social mobility. The worst thing that the state can do is to create those traps – the poverty trap, the welfare trap, the education trap – which deprive people of the motives and the skills to improve their lot, and retain them in a state of permanent discontented dependence on a world that they cannot fully enter.

Roger Scruton, from How to Be a Conservative

Or, I would add, fully escape.