guardian

A person legally responsible for caring for a child whose parents cannot do so.

• Her aunt is her guardian.
• The court appointed a guardian for the child.
• A parent or guardian must sign this form.

How to use it: guardian of someone (Her uncle became the guardian of both children.)

Common phrases: legal guardian, parent or guardian

Someone who watches over or protects a person, place, or thing.

• The dog was a faithful guardian.
• She sees herself as a guardian of local traditions.
• Two stone guardians stand beside the temple entrance.

How to use it: guardian of something (The museum is a guardian of our cultural heritage.)

Similar words: protector, keeper

Common phrases: guardian of something, guardian angel

A person serving in the United States Space Force.

• She became a guardian last year.
• The guardians completed their military training.
• Each guardian helps support the Space Force mission.

Common phrases: Space Force guardian, enlisted guardian