pregustator
/ˌpriːɡʌˈsteɪtə/(also praegustator) rare (chiefly historical )
noun
Especially in ancient Rome: a person whose function is to taste food and drink before it is served.
Origin
Late 17th century (in an earlier sense). From classical Latin praegustātor from praegustāt-, past participial stem of praegustāre + -or.