inspector general

noun 0.575

watchdog

noun 0.572

arbitrator

noun 0.565

adjudicator

noun 0.553

public officer

noun 0.549

auditor

noun 0.542

arbiter

noun 0.534

advocate

noun 0.533

umpire

noun 0.529

advocator

noun 0.527

overseer

noun 0.527

officiator

noun 0.525

troubleshooter

noun 0.524

objector

noun 0.524

referee

noun 0.522

officer

noun 0.518

reviewer

noun 0.516

observer

noun 0.515

accountable officer

noun 0.514

honest broker

noun 0.512

prosecutor

noun 0.510

complainant

noun 0.507

oppositionist

noun 0.506

ambassador

noun 0.505

rapporteur

noun 0.505

commissioner

noun 0.504

lobbyist

noun 0.503

reporter

noun 0.502

watchman

noun 0.502

guardian

noun 0.502

investigator

noun 0.502

lawman

noun 0.502

overlooker

noun 0.501