Definition of communicator noun from the Oxford Advanced Learner's Dictionary

 

communicator

 noun
noun
BrE BrE//kəˈmjuːnɪkeɪtə(r)//
 
; NAmE NAmE//kəˈmjuːnɪkeɪtər//
 
 
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a person who communicates something to others an effective/skilled/successful communicator a poor communicator It was his skill as a communicator which made the television programmes so successful. The ideal candidate will be an effective communicator. Synonymsspeakercommunicator gossip talkerThese are all words for a person who talks or who is talking, especially in a particular way.speaker a person who is or was speaking; a person who speaks a particular language:I looked around to see who the speaker was. a fluent Arabic speakercommunicator (rather formal) a person who is able to describe their ideas and feelings clearly to others:The ideal candidate will be an effective communicator.gossip (disapproving) a person who enjoys talking about other people’s private lives:Myra is a dear, but she’s also a terrible gossip.talker a person who talks in a particular way or who talks a lot:He’s a very persuasive talker. She’s a (great) talker (= she talks a lot).speaker or talker? Talker is used when you are talking about how much somebody talks or how well they talk. It is not used for the person who is or was talking:I looked round to see who the talker was. You can say that somebody is a good/​persuasive speaker but that means that they are good at making speeches. If you mean that they speak well in conversation, use talker.Patterns a good/​great speaker/​communicator/​talker an effective/​excellent speaker/​communicator
See the Oxford Advanced American Dictionary entry: communicator