Complaints investigator

• One hears complaints and moans about accommodating male friend
• A government appointee who investigates complaints by private persons against the government
• Official investigating complaints of maladministration
• Government investigator

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ For example, the proposal for an ombudsman is sensible. ▪ He points out that customers must first complain to the Tessa provider before lodging a claim with the ombudsman . ▪ Insurance, building societies, unit trusts, banks ...

Wikipedia Word definitions in Wikipedia
An ombudsman or public advocate is usually appointed by the government or by parliament, but with a significant degree of independence, who is charged with representing the interests of the public by investigating and addressing complaints of maladministration ...

WordNet Word definitions in WordNet
n. a government appointee who investigates complaints by private persons against the government