Why are beef eaters called beef eaters?

Beef eaters are commonly referred to as such due to their diet, which prominently includes beef as a primary source of protein. The term is also historically associated with the Yeoman Warders of Her Majesty's Royal Palace and Fortress the Tower of London, who were nicknamed "Beefeaters" in the 15th century, possibly because they were entitled to eat beef from the royal table. The name has since become a colloquial term for those who enjoy beef as part of their regular diet.