steward
noun
1.
someone who manages property or other affairs for someone else
Derived from:
stewardship 2.
the ship's officer who is in charge of provisions and dining arrangements
Derived from:
stewardship 3.
4.
a union member who is elected to represent fellow workers in negotiating with management
Derived from:
stewardship 5.
one having charge of buildings or grounds or animals
Derived from:
stewardship