Archtraitor

[…] that caitiffe Cardinall, and English Arch-traitor, from his Cannon of corrupt conceipt dischargeth two seditious Libels against his Souereign:

1754, Isaac Watts, Remnants of Time, Employed in Prose and Verse, in The Posthumous Works of the Late Reverend Dr. Isaac Watts, London: T. and T. Longman et al., p. 276, He [Jesus] led Satan the Arch-Traitor bound at his Chariot Wheels […]

Myself, arch-traitor to myself; My hollowest friend, my deadliest foe, My clog whatever road I go.

In the furious battle over the 1906 Pure Food Law, he [Henry J. Heinz] was a hero to reformers and, to many of his fellow food processors, an archtraitor.