Herald
Part of speech: noun
Definition: A messenger, especially one bringing important news. A harbinger, giving signs of things to come. An official whose speciality is heraldry, especially one between the ranks of pursuivant and king of arms.
Part of speech: verb
Definition: To proclaim, announce, etc. an event.
Trumpeter
Part of speech: noun
Definition: A person, especially male, who plays the trumpet.Any of three species of bird in the family Psophiidae from South America named for the trumpeting threat call of the males.