noun, noun or participle which takes 'suru', transitive verb, intransitive verb, noun which may take the genitive case particle 'no'
self-defense; protecting oneself
Used for defending oneself, one's organization, or one's country from danger or attack. As 自衛する it is often intransitive, but object-marked uses such as 身を自衛する are also possible; 自衛の is common in compounds and modifiers.
自衛のために防犯ブザーを持ち歩いている。
I carry a personal alarm for self-defense.
If you sense danger, it is important to protect yourself first.