English to English

noun (n)

• the performer in the middle of a minstrel line who engages the others in talk(noun.person)

  Synonym:
  middleman
  

  source: wordnet30
• a person who takes part in a conversation(noun.person)

  Synonym:
  conversational partner
  

  source: wordnet30
• One who takes part in dialogue or conversation; a talker, interpreter, or questioner.(noun)

  source: webster1913