"Muqaddam’ (also mokadem, mokaddem, etc.) is a government official appointed by the Ministry of the Interior who serves as a link between the population and the government services. For instance, they provide certain official documents, monitor construction, etc.

Mokadem ( in italics) with a footnote that explains the word unless it is an official document


"L'auxiliaire de l'autorité, a frequently used term in French (given the historical background of French-Morocco) to refer to عون سلطة. Most of such terms in English are usually translated from French. In this case, "an authority auxiliary" is a closer equivalent to the Arabic term.....

Some would also go for:
Local authority auxiliary/agent