Yeomen Warders
The Yeomen Warders of Her Majesty's Royal Palace and Fortress the Tower of London, and Members of the Sovereign's Body Guard of the Yeoman Guard Extraordinary, popularly known as the Beefeaters, are ceremonial guardians of the Tower of London. In principle they are responsible for looking after any prisoners in the Tower and safeguarding the British crown jewels. They have also conducted guided tours of the Tower since the Victorian era.