A necrophile is someone who derives sexual gratification through some form of relationship with someone who is dead.
Groups within the categories:
(1) thinkers
(2) keepers or collectors
(3) touchers
(4) intercoursers
Thinkers:
(1) role players (Class I): becomes aroused by someone pretending to be dead
(2) fantasizers (Class III): becomes aroused around the dead and frequents cemeteries or funeral homes
Keepers or collectors:
(1) romantic (Class II): bereaved person who keeps a body part from someone beloved, typically a spouse
(2) fetishistic (Class V): someone who keeps a body part and derives psychosexual stimulation from it unrelated to grief for the donor
Touchers:
(1) tactile (Class IV): becomes aroused by touching a dead body
(2) mutilator or necromutilomaniacs (Class VI): becomes aroused by mutilating a dead body
Intercoursers:
(1) opportunistic (Class VII): will have sex with the dead if the opportunity presents itself ("any port in a storm")
(2) regular or "classic" (Class VIII): may have intercourse with the living or dead but prefers sex with the dead
(3) homicidal (Class IX): may have intercourse with living or dead persons but will kill to have sex with the body
(4) exclusive (Class X): does not have intercourse with anyone living