do someone's bidding

do someone's bidding (third-person singular simple present does someone's bidding, present participle doing someone's bidding, simple past did someone's bidding, past participle done someone's bidding)

1. To act on behalf of a person in authority, executing their every command.
   • April 5 2022, Tina Brown, “How Princess Diana’s Dance With the Media Impacted William and Harry”, in Vanity Fair‎^[1]:

     Once Princess in Love was published, Diana threw both Hewitt and Pasternak under the bus. Besotted to the end, her cashiered toy soldier never revealed whether or not he had done her bidding.

     adapted from the book The Palace Papers, published 2022 by Penguin Books

• at someone's bidding

• “do someone’s bidding”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “do someone’s bidding, .”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “do someone's bidding” (US) / “do someone's bidding” (UK) in Macmillan English Dictionary.
• “do sb's bidding”, in Collins English Dictionary.