interlocutor

名词 interlocutor:

1. the performer in the middle of a minstrel line who engages the others in talk
   同义词：middleman
2. a person who takes part in a conversation
   同义词：conversational partner

in.ter.loc.u.tor

n.（名词）
Someone who takes part in a conversation, often formally or officially.
对话者：参加谈话的人，通常是正式地或官方地
The performer in a minstrel show who is placed midway between the end men and engages in banter with them.
问话者：在滑稽说唱表演中，站在滑稽插话演员中间与他们戏谑的演员