bulwark

/ˈbʊl.wək/

Misollar

You are our bulwark against anihilation.
Islam is a bulwark against gender ideology.

ot noun

A defensive wall or rampart.
A defense or safeguard.
A breakwater.
The planking or plating along the sides of a nautical vessel above her gunwale that reduces the likelihood of seas washing over the gunwales and people being washed overboard.

fe’l verb

To fortify something with a wall or rampart.
To provide protection of defense for something.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.