intriguer
nounUK /ɪnˈtɹiːɡə/
Etymology From intrigue + -er.
1
One who intrigues; one who forms plots, or pursues an object by secret means.
- [W]hatever may be the result, political intriguers will find it difficult to substitute a clamour against England for the universal excitement produced by domestic controversies.1856 June 14, “England and America”, in The Saturday Review of Politics, Literature, Science, and Art, volume 2, number 33, London: John W. Parker and Son, page 142: