Correct

来使

/ lái shǐ / 
Strokes

Example

As a Noun

envoy from another country or state

1
Liǎng
两
guó
国
jiāozhàn
交战
  
,
bù
不
zhǎn
斩
lái
来
shǐ
使
  
。

When two countries/states are at war, the envoys are exempt from/immune of execution.