Legal ward
A legal ward was a minor child who had been transferred into the custody of another who was known as a legal guardian.

After her parents were killed, Michael Burnham became a ward of Sarek. ()

In 2269, James T. Kirk ordered Nyota Uhura to run a computer check on Rayna Kapec, who Flint claimed was his legal ward after the death of her parents. ()

See also
Adoption
Fosterage
Orphan

External link 
 
Law
Family