IPA: /ˈaʊtˌraɪdə/
KK: /aʊtˌraɪdər/
A person who rides ahead of a vehicle or group to guide or clear the way.
The outrider led the parade, ensuring a clear path for the floats.
Outrider → It is formed from "out-" (meaning outside or beyond) and "rider" (from Old English "ridan", meaning to ride). The word describes someone who rides outside or ahead of a group, often as a scout or escort.
Think of someone who rides 'outside' ('out-') of a group — that's what an outrider does.