Right to an adequate standard of living 

The right to an adequate standard of living is enshrined in Article 25 of the Universal Declaration of Human Rights.

In cases of violations of this human right (explained here),

All persons may turn to the these organs/institutions:

Committee on Economic, Social and Cultural Rights

Special Rapporteur on the right to food 

Special Rapporteur on adequate housing as a component of the right to an adequate standard of living 

Special Rapporteur on the situation of human rights and fundamental freedoms of indigenous people