Trustee

TRUSTEE – one who holds legal title to property in order to administer it for a beneficiary

Merriam-Webster Online Dictionary
trustee (noun)
1.
a) one to whom something is entrusted
b) a country charged with the supervision of a territory - trust
2.
a) a natural or legal person to whom property is legally committed to be administered for the benefit of a beneficiary (as a person or a charitable organization)
b) one (as a corporate director) occupying a position of trust and performing functions comparable to those of a trustee
3.
- trusty
trustee (verb)
transitive verb
intransitive verb
to commit to the care of a trustee to serve as trustee