where the role of european ombudsman proves to be indispensable the citizens report to him any administrative discrimination abuse of power or refusal answers 
This is precisely where the role of the European Ombudsman proves to be indispensable, as the citizens report to him any administrative irregularities, discrimination, abuse of power or absence, or the refusal to answer a specific question put to an EU institution or body.
This where the role of European Ombudsman proves to be indispensable, the citizens report to him any administrative discrimination, abuse of power or refusal answer a specific question put to an or body.