1. 送（口信等）的人；带信人
    The bearer of something such as a message is the person who brings it to you.

    e.g. I hate to be the bearer of bad news.
           我讨厌告诉别人坏消息。

2. 举（或抬、持）…的人
    A bearer of a particular thing is a person who carries it, especially in a ceremony.

    e.g. ...Britain's flag bearer at the Olympic Games opening ceremony...
           奥运会开幕式上的英国旗手
    e.g. The Speaker is preceded by the mace-bearer upon his entry to the chamber.
           当议长走进议事厅的时候，前面由执议长权标的人开路。

3. 拥有（某文件、权利或职位）的人；持有…的人；持有者
    The bearer of something such as a document, a right, or an official position is the person who possesses it or holds it.

bearer

    e.g. ...the traditional bourgeois notion of the citizen as a bearer of rights...
           认为公民是权利拥有者的传统中产阶级观念
    e.g. Later he called a meeting of his party's central office bearers...
           后来他召集了他所属党派的核心领导人开会。

4. （传统、想法或特征等的）保持者，拥有者
    The bearer of a tradition, idea, or characteristic is someone or something that is particularly associated with it and passes it on to other people or situations.

    e.g. Generally, the lower classes are considered to be the bearers of tradition.
           总的来说，下层民众被认为是传统的保持者。

5. （在旧时的印度指欧洲人的）当地用人，土著仆人
    In former times, especially in India, a bearer was a native servant of a European.

6. see also: pallbearer;standard bearer