Complex sentence: The European Center for Constitutional and Human Rights (ECCHR; German: "Europäisches Zentrum für Verfassungs-und Menschenrechte") is an independent, nonprofit legal organization that enforces human rights by holding state and non-state actors responsible for egregious abuses through innovative strategic litigation.
Split into simpler sentences: The European Center for Constitutional and Human Rights (ECCHR; German: "Europäisches Zentrum für Verfassungs-und Menschenrechte") is an independent, nonprofit non-governmental organization focusing on legal issues. It enforces human rights by holding state and non-state actors responsible for egregious abuses through innovative strategic litigation.