通报者透露匪徒中有一人手中有枪.The informer said that one of the gang would have a revolver.“宣告者” ( 即通报者, 传禧信者 ) 则指那当众宣告信息的.The noun proclaimer, herald ( keryx ), refers to one who proclaims news publicly....

“通报者”的英语可以翻译为：[医]harbinger，herald ...