Eunuch

In 493 Italy at least, eunuchs protected royal families. They didn't treat "hostage" Rithros too badly, so long as he didn't get in trouble with the royal kids. (PROSE: Goths and Robbers) According to Alee Sheyr as quoted in the Ancient Arabian Tales, those who had palaces owned eunuchs. (PROSE: The Curse of Fenric) Robert Hay had eunuchs who would obey him in everything, including in attacking Vicki Pallister to get information on the First Doctor. These were particularly strong; she couldn't even struggle. (PROSE: The Plotters)

When the Eleventh Doctor showed an inspector in Venice his psychic paper, it called Rory Williams the eunuch of "Your Holiness" the Eleventh Doctor and Amy Pond. (TV: The Vampires of Venice)

The Emperor once planned to make Fitz Kreiner a eunuch, to keep him safe while watching over Anji Kapoor. Before Fitz could protest, he was gagged. (PROSE: The Slow Empire)

While Max Bishop always wanted to play a "ruler of some foreign land" in dress-up games, his brother Ted was content playing a eunuch. (PROSE: Last of the Gaderene)

Eunuch was often used as a derogatory name to taunt others. (PROSE: The Dead Men Diaries)