Auditor

Webster's Dictionary

(1): (a.) A hearer or listener.

(2): (a.) A person appointed and authorized to audit or examine an account or accounts, compare the charges with the vouchers, examine the parties and witnesses, allow or reject charges, and state the balance.

(3): (a.) One who hears judicially, as in an audience court.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

in ecclesiastical phrase, is

(1) a judge of the tribunal of theRota at Rome.;

(2) of the Apostolic Chamber, at Rome (Auditor Canmerae Apostolicae);

(3) of the court at Rome.