outrider

== English == === Etymology === From Middle English outridere. === Pronunciation === === Noun === outrider (plural outriders) A guide or escort, especially one who rides in advance. One who rides out on horseback to inspect a ranch etc. (figurative) A forerunner. Synonyms: precursor, harbinger, trailblazer ==== Related terms ==== outriding === See also === vanguard