outrider[noun]Synonyms: forerunner, harbinger, herald, precursor
[TahlilGaran] English Synonym Dictionary ▲
out‧rid‧er /ˈaʊtˌraɪdə $ -ər/
noun [countable] a guard or police officer who rides on a
motorcycle or horse beside or in front of a vehicle in which an important person is travelling
[TahlilGaran] Dictionary of Contemporary English ▲