Complaint system – Set of procedures used in organizations to address complaints & resolve disputes

International Ombudsman Institute (IOI) – representing 150 public sector independent ombudsman institutions on the national, state, regional and local level around the globe

National human rights institution – Type of independent state-based institution

image ombudsman

define ombudsman

wikipedia ombudsman

weblio ombudsman

kotobank ombudsman

jisho ombudsman