What’s more, openness to mass immigration is anti labour, as it worsens the positions of the worker (cheap competition who won’t unionize because they don’t mix well with the rest of the population).

Fascist, gtfo

Anti LOCAL labor, a crucial distinction. Not even "anti", really just decreasing their relative position, putting aside whether or not that position is already above others.

So, a policy to enforce that raises the rights of one nationality above another. What do we call that? "National" "socialism"?

You understand the idea of an empire pillaging the world and then trying to restrict access to the spoils?