What is an equerry to the Queen or King and who is Charles III’s now?

Where a monarch is, an equerry is not far behind (Picture: Alamy)
The Royal Family has plenty of staff – including the monarch’s equerry.
King Charles III’s equerry, Major Jonathan Thompson, unintentionally captured the nation’s attention while introducing new Prime Minister Liz Truss to the King for the first time.
Royal fans were quick to dub the Major – who works for the Royal Regiment of…