deputation
/ˌdepjuːˈteɪʃən/noun
- a group of people appointed to undertake a mission or take part in a formal process on behalf of a larger group代表团：
he had been a member of a deputation to Napoleon III.
他曾是去觐见拿破仑三世的代表团成员。
词源
late Middle English （in the sense 'appointment to an office or function'）： from late Latin deputatio（n-）, from the verb deputare （see DEPUTE）.