outrider

English edit

outrider (plural outriders)

A guide or escort, especially one who rides in advance.
- 1890, James George Frazer, The Golden Bough, volume 2, page 91:
  Then they went from farmhouse to farmhouse, two little girls walking at the head of the procession as bridesmaids, and six or eight outriders galloping ahead on hobby-horses to announce their coming.
One who rides out on horseback to inspect a ranch etc.
(figurative) A forerunner.
Synonyms: precursor, harbinger, trailblazer
- 2001 November 2, “Outrider for a new project”, in BBC News‎^[1]:
  The Winchester MP is something of an outrider for a new project now: moving his party into the space vacated by the Conservative shift to the right under Iain Duncan Smith.