The noun proclaimer, herald( keryx), refers to one who proclaims news publicly.
“宣告者”（通报者，传禧信者）指那当众宣告信息的。
2
Confidence then becomes conviction, the conviction that the Blessed One is "the speaker, the proclaimer, the bringer of the good, the giver of the Deathless, the lord of the Dhamma, the Tathagata."