disjoiner

plural disjoiners

1. One who or that which disjoins.

   He gave to man faculties of every description, eyes, ears, and voice, and the person who should dispute this would be considered as a disjoiner of effects from causes[…]

   1854, John Curtis, The one language before the Flood

   1 more example

   The impartial observer of mankind is compelled to acknowledge that anger is the bane of society, the introducer of discord into the families of rich and poor, the disjoiner of friendships, the destroyer of conjugal and domestic bliss.

   1850, The Cottager's Monthly Visitor, volume 30, page 314