zì​bǎo

self-defense

自保 zì​bǎo
self-defense verb
to protect or defend oneself from physical harm or attack

He studies martial arts solely to be able to protect himself in case of danger.

self-preservation verb
the act of ensuring one's own safety, position, or survival, especially in a social or political context

In the complex struggles of the workplace, he is well-versed in the way of self-preservation.

Frequency

Movie subtitles
2.12 per million appears in 1% of films
Written text
1.65 per million

Sources

Definitions
CC-CEDICT