守らねばならない

must obey; must follow, must protect; have to defend

→ 守る
phrase Rare #37,609
must obey; must follow Used to say that someone is required to follow a rule or keep an agreement.
JA: 運転者は交通規則を守らねばならない。
EN: Drivers must obey traffic rules.

クラブの規則を守らねばならない。

You must follow the club's rules.

試合の規則は守らねばならない。

The rules of the game must be observed.

phrase Rare #43,687
must protect; have to defend Used when someone or something needs protection from danger, attack, or another threat. This form is somewhat formal.
JA: 親は子供を危険から守らねばならない。
EN: Parents must protect their children from danger.

我々は汚染から環境を守らねばならない。

We must protect the environment from pollution.

原住民は土地を侵略者から守らねばならない。

Indigenous people must protect their land from invaders.

“親は子供を危険から守らねばならない”

Parents must protect their children from danger.

— M - Eine Stadt sucht einen Mörder (1931)