right to work

noun2

1. •
   The human right (the right of an individual) to have gainful employment.

   • Everyone has the right to work, to free choice of employment, to just and favourable conditions of work and to protection against unemployment. — 1948
2. •
   (US) The prohibition of union security agreements or closed shops; the prohibition of the requirement that those who take on work in a unionised shop join the union or pay it for representing them.