ambassador ambassador /æmˈbæsədɔɹ/

noun

1. () A diplomat of the highest rank; accredited as representative from one country to another  ( embassador , ambassador )
   a diplomat of the highest rank; accredited as representative from one country to another
     The ambassador skillfully negotiated a peace treaty between the two nations.
   The ambassador skillfully negotiated a peace treaty between the two nations.
   
   
2. An informal representative  ( ambassador )
   an informal representative
    An ambassador of good will
   an ambassador of good will