outrider
US /ˈaʊtˌraɪ.dɚ/
UK /ˈaʊtˌraɪ.dɚ/

1.
scorta, accompagnatore
a person who rides on horseback or in a vehicle as an escort or guard
:
•
The dignitary's motorcade was led by a team of police outriders.
Il corteo del dignitario era scortato da una squadra di scorte della polizia.
•
Historically, outriders were common for royal processions.
Storicamente, gli scorte erano comuni per le processioni reali.