forerunner (n.)
- advertisement
- advertiser
- ancestor
- announcement
- announcer
- antecedent
- augury
- author
- avant-garde
- bellwether
- buccinator
- bushwhacker
- choirmaster
- choragus
- coach
- conductor
- duce
- envoy
- evangel
- evangelist
- example
- exemplar
- explorer
- forebear
- forefather
- foretoken
- forewarning
- frontiersman
- fugleman
- groundbreaker
- guide
- harbinger
- herald
- initiator
- innovator
- instructor
- leader
- mark
- mentor
- messenger
- messiah
- model
- omen
- originator
- outrider
- pacemaker
- pacesetter
- pathfinder
- pattern
- pioneer
- point
- portent
- precedent
- precentor
- precursor
- predecessor
- premise
- premonition
- presage
- progenitor
- prognostic
- prototype
- ringleader
- scout
- sign
- standard-bearer
- symptom
- teacher
- token
- torchbearer
- trailblazer
- trainer
- vanguard
- warning