Nestor

A nestor is a Cardassian judicial title for an individual who advises the defendant in a legal case.

In 2370, when Miles O'Brien was accused of suppling weapons to the Maquis, Odo was able to act as nestor as he had been designated as an officer of the four years earlier, while serving Gul Dukat on Terok Nor, to testify in criminal cases. Despite Odo not being able to address the court as nestor, Chief Archon Makbar relayed his questions to those giving testimony against O'Brien, such as Gul Evek. 

Mhevita Pa'Dan was a nestor and was assigned to Ashalla during the Occupation of Bajor.