What is another word for "herald"?

Roget's Thesaurus (1911) lists these synonyms for "herald": afore, aforehand, aforementioned, aforesaid, already, ambassador, antecedence, antecedent, anterior, anteriority, anticipate, apparitor, avant-courier, bag, bearer, before, beforehand, bellman, bellwether, boy, cable, carrier, chore, come, commissionaire, correspondent, courier, crier, dak, dawn, delivery, diplomatist, early, electronic, emissary, envoy, ere, erewhile, errand, estafette.