A chief support.
Someone or something that can be depended on to make a regular contribution.
A stabilising rope from the top of the mainmast to the bottom of the foremast.
One who, or that which, defends or protects; defence; protection.
A safe-conduct or passport, especially in time of war.
Something that serves as a guard or protection; a defense.
To escort safely.
To implement safeguarding.
To protect, to keep safe.