in (someone's) care
Being supervised or attended to by someone. If I go back to work, I'll have to leave the younger kids in my oldest daughter's care. I've left the Jefferson accounts in Dave's care while I'm out on leave.
In a state of being cared for by a government institution. This bill utterly fails the tens of thousands of children in care throughout our country that have been subjected to systematic neglect and abuse. The program aims to create mentoring opportunities for children and young adults who have been in care for most of their lives.