Correct

首任

/ shǒurèn / 
Strokes

Definition

first person to be appointed to a post

Example

As a Noun

first appointee to an office; first to be appointed to an office

1
Shǒurèn
首任
zhōngguó
中国
chángzhù
常驻
liánhéguó
联合国
dàibiǎo
代表

first permanent representative of the People's Republic of China to the United Nations

2
Shǒurèn
首任
dàshǐ
大使

first ambassador