These people guard, protect, and defend those they are responsible for from danger. If it's about an actual shield, then it's found under Tropes in Shining ...

A violently protective girlfriend essentially acts like a much younger Mama Bear, except her trigger is any harm to her mate rather than to the kids; note that ...

The child who is very protective of their parents' emotional or physical state, and will take a level in badass to protect them.

A spell or Artifact of Power that acts as a form of Supernatural Aid that keeps the character safe. It might render them hard to find, naturally harm or repel ...

The Declaration of Protection trope as used in popular culture. A person (usually The Hero) has their motivation built around protecting another person.

Some places are so holy or magical that they have the property of protecting those inside the location from harm, either by keeping out ghosts, demons, ...

A character known for style is getting into a situation that requires some protection but protective gear in Real Life just isn't fashionable.

A protectorate is a specific person, place, or thing, or set thereof, which our hero is responsible for defending.

A page for describing PlayingWith: Extremely Protective Child. Basic Trope: A child that will take a level in badass to protect their parents.

The trope's name is inspired by the TCG Magic: The Gathering, for a card ability that "protects" the card it appears on from something else in the game outlined ...