chiefprotector
nounUK /tʃiːf prəˈtɛktə/
US /tʃif prəˈtɛktər/
The main person who keeps someone or something safe.
The chief protector of the castle watched the gates all night.
OTHER MEANINGS
2. The leader in charge of a group of guards.
The chief protector told the guards where to stand.
3. A person who looks after a place and keeps it from harm.
She was the chief protector of the forest and its animals.
4. The strongest helper who stands up for others.
In the story, the big dog was the chief protector of the little puppies.