His Majesty's Royal Household is the personal group of persons responsible to the King for running His private and personal affairs and ensuring support and assistance to the King whenever required.  Many of the positions are ceremonial more than anything.  The Royal Household is made up of the following positions who are responsible for their appropriate areas:

Title	Responsibility	Symbolage
Lord Chamberlain	The most senior position in the Household, the Chamberlain is the King's Chief-of-Staff, Private Secretary, and representative.  The Chamberlain is in charge of the Royal Household and is so senior to  the Steward, Constable and Protector.
Lord Steward	Responsible for managing the affairs of the King's lands and estates.  The Lord Steward manages the King's Desmesne as well as all Royal properties, holidings, companies and other various endeavours.
Lord Constable	Historically responsible for the management of the King's retainers and 'police' forces.  The Constable is now the appointee in charge of the Household Guard.  The position is now more ceremonial however the Constable's office employs and manages the close protection efforts for the King and Royal Family.
Lord Protector	Honorary title given to a senior member of the Armed Forces which recognizes their military leadership and invaluable services to the King and nation.  Also known as the Lord Marshal, historically until the late 1600's the Lord Marshal was the commander of the King's Army.
Aide-de-Camp to His Royal Majesty (HRM-ADC)	The ADC is seconded to the Royal Household from either the Army or Navy for a short period.  The posting is highly regarded and is usually indicative of a junior officer's progress and success.
Officer Commanding, Royal Household Guard	Usually a more senior officer appointed from the Army or Navy who holds nominal command of the Household Guard.  This office is now for purely ceremonial purposes however historically this officer was a General responsible for the protection of the King, the Royal Family and all Crown holdings.
King's Counsel/Counselor (KC)	An honorary appointment which recognizes the priviledge of one who holds the ear of the King