ombudsman
US
UK ombudsman n: (complaints investigator: male)
SC 巡视官 xún shì guān
TC 巡視官
TC 巡視官
SC 特派员 xún shì guān，tè pài yuán
SC 调查官 xún shì guān，diào chá guān
The ombudsman gathered information from both parties in order to resolve the complaint.