custodian

someone who maintains assets on behalf of their owner. In the case of a minor, a custodian protects, manages and maintains assets until the individual reaches majority age, when the assets are turned over to him or her (IW)

In other languages:

• kustodju [MT] - xi ħadd li jamministra assi f'isem sidhom. Fil-każ ta' minuri, kustodju jħares, jimmaniġġa u jżomm sħaħ l-assi sakemm l-individwu jilħaq l-età ta' maġġorenni, meta l-assi jgħaddu f'idejh jew f'idejha (IW)
• custode [IT]