Who plays the part of an adjudicator and administrator in a court case? The plays the part of an adjudicator as well as an administrator in a court case.

In a court case, the JUDGE plays the part of an adjudicator as well as an administrator.

The adjudicator is who, from a position of neutrality between the parties involved in the case, applies the law in the judicial process.

The administrator is the person in charge of managing the budget of the court, as well as the personnel and the dockets of the court.

In the American legal system, these two functions are carried out by the Judge.