dissembler

plural dissemblers

1. Someone who dissembles.

   [T]he Earl vvas the vvorſe Philoſopher, being a great Reſenter and a vveak Diſſembler of the leaſt diſgrace: […]

   c. 1635 (date written), Henry Wotton, “Of Robert Devereux, Earl of Essex; and George Villiers, Duke of Buckingham: Some Observations by Way of Parallel in the Time of Their Estates of Favour”, in Reliquiæ Wottonianæ. Or, A Collection of Lives, Letters, Poems; […], London: […] Thomas Maxey, for R[ichard] Marriot, G[abriel] Bedel, and T[imothy] Garthwait, published 1651, →OCLC, page 23

   1 more example

   [Winston] Churchill, in this telling, was not just a racist but a hypocrite, a dissembler, a narcissist, an opportunist, an imperialist, a drunk, a strategic bungler, a tax dodger, a neglectful father, a credit-hogging author, a terrible judge of character and, most of all, a masterful mythmaker.

   2021 October 26, Peter Baker, “The Case Against Winston Churchill”, in The New York Times Book Review, New York, N.Y.: The New York Times Company, →ISSN, →OCLC

   Synonyms: hypocrite, phony, pretender, bamboozler, bouncer, bullshitter, cheat, cheater