in somebody's trust

in (one's) trust

In someone's care or protection. I knew I shouldn't have left such an expensive item in my assistant's trust. Back in my day, it was normal to leave your kids in your neighbors' trust if you had to step out for a while.
See also: trust

in somebody’s ˈtrust

,

in the trust of somebody

being looked after by somebody: The family pet was left in the trust of a neighbour.
See also: trust