spokesperson, interpreter, representative, voice(noun)
an advocate who represents someone else's policy or purpose
representative, congressman, translator, vocalisation, instance, vocalization, vocalism, example, part, voice, articulation, interpretive program, vox, illustration, phonation, congresswoman, interpreter, spokesperson
spokesperson(noun)Person who acts as the voice of a group of people.
PPDB, the paraphrase database
List of paraphrases:
spokesman, spokeswoman, mouthpiece, spokespeople, voice, speaker, critic, advocate