designated driver

person who by agreement stays sober in order to drive a vehicle for non-sober persons

en-GB/ˈdɛzɪɡˌneɪtɪd ˈdɹaɪvə/
en-US/ˈdɛzɪɡˌneɪtɪd ˈdɹaɪvɚ/

زمرے:

chauffeur