steward
/ˈstuːwɚd/ /Brit ˈstjuːwəd/
noun
plural -ards
[count] a person and especially a man whose job is to serve meals and take care of passengers on a train, airplane, or ship - compare flight attendant
someone who protects or is responsible for money, property, etc.
a person whose job is to manage the land and property of another person
chiefly Brit :someone who is in charge of a race, contest, or other public event