om·buds·man (ŏmbŭdz′mən, -bədz-, -bdz′-)
1. A man who investigates complaints and mediates fair settlements, especially between aggrieved parties such as consumers or students and an institution or organization.
2. A government official, especially in Scandinavian countries, who investigates citizens' complaints against the government or its functionaries.
[Swedish, from Old Norse umbodhsmadhr, deputy, plenipotentiary : umbodh, commission (um, about, around, all over; see ambhi in the Appendix of Indo-European roots + bodh, command; see bheudh- in the Appendix of Indo-European roots) + madhr, man; see man-1 in the Appendix of Indo-European roots.]
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