寄托 (jì tuō): to entrust (to sb); to place (one's hope, energy etc) in; a thing in which one invests (one's hope, energy etc)

The parents place all their hopes on their son, wishing he will get into a prestigious university and make a name for himself in the future.

She entrusts her years of longing to these letters, and whenever she feels homesick, she takes them out and reads them.

Because he was too busy with work, he had to entrust his child to the neighbor's care for a few hours.

The elderly person places their late-life happiness on their children often coming home to visit, rather than on money and material things.