Noun
amount [pl. amounts]
messenger [pl. messengers]
informant {educ.}
مبلغ {تعليم}
informer [pl. informers]
snitch {Legge}
مبلغ {قانون}
notifier [pl. notifiers]
communicant [pl. communicants]
annunciator [pl. annunciators]
telltale [pl. telltales]