orator
/ˈɒrətə(r)/noun
1- a public speaker, especially one who is eloquent or skilled（尤指雄辩的、有口才的）演说者; 演说家。
1.1
- （亦作public orator）an official speaking for a university on ceremonial occasions（在礼仪场合代表大学官方的）发言人。
派生词
oratorial
adjective词源
late Middle English: from Anglo-Norman French oratour, from Latin orator 'speaker, pleader'.