il guardiano in English:

They have been the guardians of the secret for generations.

He considers himself a guardian of moral standards.

angel guardian

Legal guardians are individuals that have legal authority to care for another person.

Any person under 16 who is caught in the centre of town without a parent or adult guardian could go to jail for three months or pay a £2,500 fine.

Her father named you as guardian in his will.

He became the child’s guardian when her parents died.

John acts like Helen's guardian.

I regard myself as your guardian.

Christopher Columbus once fought Cerberus, the three-headed guardian of the underworld, with nothing but his hat.