Correct

特使

/ tèshǐ / 
Strokes

Definition

special envoy/special ambassador

Example

As a Noun

special envoy

1
Zǒngtǒng
总统
tèshǐ
特使

presidential envoy

2
Wàijiāo
外交
tèshǐ
特使

diplomatic envoy

3
Liánhéguó
联合国
tèshǐ
特使

UN emissary