Correct

后卫

/ hòuwèi / 
Strokes

Definition

rear guard/backfield/fullback

Example

As a Noun

rearguard

1
Hòuwèi
后卫
zhàndòu
战斗

rearguard action

As a Noun

full back

2
Yòu
右
  
/
zuǒ
左
hòuwèi
后卫

right/left back

As a Noun

guard

3
Défēn
得分
hòuwèi
后卫

shooting guard