This statement generally refers to the assistant or subordinate of the leader, who is arranged in a certain position by the leader in order to achieve a specific purpose.

The work of the leader messenger is mainly to work for the leader and convey the intention of the leader. In some cases, the leader's messenger will be regarded as the leader's confidant or confidant, and the leader's messenger usually has access to the leader's decision-making and internal information.

It should be noted that the use of this word has a certain derogatory meaning and irony, suggesting that these people are not independent and lack the characteristics of independent thinking and follow-up.