xìn​shǐ

messenger

信使 xìn​shǐ
messenger noun
a person who carries messages or documents, often in an official, diplomatic, or historical context

The diplomatic courier delivered the important documents safely to their destination.

Frequency

Movie subtitles
2.38 per million appears in 1% of films
Written text
1.43 per million

Sources

Definitions
CC-CEDICT