The expressions tell the attitudes of the communicator.

表情告诉我们传播者的态度。

youdao

You are our guide to learn who is the communicator of human civilization.

您是我们学习的指导者，是人类文明的传播者。

youdao

The essence of this approach is that the communicator should find a central theme.

这种方法的精髓在于宣传人员必须找到一个中心思想。

youdao

He later became known as "The Great Communicator."

VOA: special.2011.02.06

Over at competitor General Electric, actor Ronald Reagan -- later the fortieth president of the United States -- and often referred to as the Great Communicator, was for many years an effective commercial spokesman every week on the GE Theater.

VOA: special.2011.07.21

In the latter case, the desire of the communicator is to be received widely and publicly.

FORBES: Handhelds and Other Subversions

In politics, a failure of communication is always the fault of the communicator.

WSJ: Stephens: Is Obama Smart?

The second and frequently over-looked component is the responsibility of the communicator to make sure the communication was received and understood.

FORBES: Better Communication: Technology Isn't Always The Best Solution