Someone who causes the death of a person or animal.

synonym: killer.

Roget 361: killing etc. v.; homicide, manslaughter, murder, assassination, trucidation^†, iccusion^†; effusion of blood; blood, blood shed; gore, slaughter, carnage, butchery; battue^†.    massacre; fusillade, noyade^†; thuggery, Thuggism^†.    deathblow, finishing stroke, coup de grace, quietus; execution etc. (capital punishment) 972; judicial murder; martyrdom.    butcher, slayer, murderer, Cain, assassin, terrorist, cutthroat, garroter, bravo, Thug, Moloch, matador, sabreur^†; guet-a-pens; gallows, executioner etc. (punishment) 975; man-eater, apache^†, hatchet man [U.S.], highbinder [U.S.].    regicide, parricide, matricide, fratricide, infanticide, feticide, foeticide^†, uxoricide^†, vaticide^†.    suicide, felo de se^†, hara-kiri, suttee, Juggernath^†; immolation, auto da fe, holocaust.    suffocation, strangulation, garrote; hanging etc. v.; lapidation^†.    deadly weapon etc. (arms) 727; Aceldama^†.    [Destruction of animals] slaughtering; phthisozoics^†; sport, sporting; the chase, venery; hunting, coursing, shooting, fishing; pig-sticking; sportsman, huntsman, fisherman; hunter, Nimrod; slaughterhouse, meat packing plant, shambles, abattoir.    fatal accident, violent death, casualty.    ... show more

Dutch: doder, moordenaar