Safeguard
Part of speech: noun
Definition: something that serves as a guard or protection; a defense a safe-conduct, especially in time of war
Part of speech: verb
Definition: to protect, to keep safe to escort safely
Example sentence: I care about climate change because of our children. I want to safeguard their future.
Safe-conduct
Part of speech: noun
Definition: A document that provides safe passage through enemy territory in times of war.