ruinator

plural ruinators

1. One who causes ruin.

   He threatened his ruinator with the High Court of Justiciary, of which Tibbers highly approved.

   1831 Jan, Ettrick Shepherd, “The Unearthly Witness”, in The Atheneum; or Spirit of the English Magazines (3), volume 5, number 7, Boston: John Cotton, page 326

   2 more examples

   The universal ruler, / The end of all emulation, / The ruinator of sovereignty, / Rueful Destiny! / Demanded Aeddon, / For the grave.

   1851 Oct, T. Stephens, quoting Taliesin, “The Poems of Taliesin, No. III”, in Archæologia Cambrensis, a Record of the Antiquities of Wales and its Marches, and the Journal of the Cambrian Archæological Association (New), volume II, number VIII, London: W. Pickering, The Elegy of Aeddon of Mona, page 267

   We had a second example in the Chapel of Lincoln’s Inn, but it has been lately ruined by the ruinator of St. Albans Abbey.

   1891, W. J. Loftie, chapter 5, in London City: Its History, Streets, Traffic, Buildings, People, London: Simpkin, Marshall, Hamilton, Kent & Co., Ltd., page 176