Hermes
Mercury
Pheidippides
ancestor
announcer
antecedent
avant-garde
bellwether
bode
buccinator
buccinator novi temporis
bushwhacker
carrier
chiaus
chuprassy
commissar
commissary
commissionaire
commissioner
courier
delegate
emissary
envoy
explorer
express
forebear
foregoer
forerunner
foreshadower
front runner
frontiersman
fugleman
go-between
gofer
groundbreaker
guide
harbinger
herald
hircarra
innovator
intelligencer
intermediary
internuncio
lead runner
traveler
traveller
bearer
conveyer
conveyor
dispatch rider
errand boy
messenger boy
process-server
runner
trumpeter
messengers
agent
ambassador
attendant
clerk
companion
guard
guardian
knight
maid
message
minister
physician
policeman
representative
scout
servant
spy
visitor
warrior
Schlesinger