guardian

[Example Sentences]:
1. It appears the Nvidia system would be used for this production vehicle guardian angel approach.
2. Women also need permission from a male guardian to go to school or get married, and are barred from driving.
3. Porat is an ideal figure to represent a new face and guardian of the finance and technology crossover.
4. She believes the phone rang because her best friend, who had died earlier last year, was acting as their guardian angel.

[Antonyms]ward

[Synonyms]warden, keeper, protector