| 自 |
zì wèi | to defend oneself / self-defense |
| 自 |
zì | (bound form) self; oneself / from; since / naturally; as a matter of course |
| 卫 |
Wèi | surname Wei / vassal state during the Zhou Dynasty (1066-221 BC), located in present-day Henan and Hebei Provinces |
| 卫 |
wèi | to guard / to protect / to defend / abbr. for 卫生, hygiene / health / abbr. for 卫生间, toilet |