Nouns

(n)herald, trumpeter(formal) a person who announces important news“the chieftain had a herald who announced his arrival with a trumpet”
(n)harbinger, forerunner, predecessor, herald, precursorsomething that precedes and indicates the approach of something or someone

Verbs

(v)acclaim, hail, heraldpraise vociferously“The critics hailed the young pianist as a new Rubinstein”
(v)hail, heraldgreet enthusiastically or joyfully