Steward (noun)

1. A person who manages or takes care of something, typically as an official.
2. A person who manages the affairs of a household.

Origin:

Old english stíweard "keeper of a stíw (a hall or palace)", from stíweardian "to keep watch over", from stíw "hall" + -weard "-ward" (from old english werdan "to become"). the original sense was "superintendent of a public building or institution", later "person in charge of a household".

Examples:

1. The steward of the ship was responsible for the well-being of the passengers.
2. The steward of the palace was responsible for the King's comfort.
3. The steward of the estate managed the land and the tenants.
4. The flight attendant was the steward of the airplane.
5. He was appointed as the steward of the company's assets.