suicider

plural suiciders

1. nonstandardOne who commits suicide.

   Synonyms: an hero, autocide, self-killer, self-murderer, self-slayer, suicide, suicidee, suicidist

2. social workmedicineOne who is planning to commit suicide.

   1 more example

   Most often discussion would take place during the planning stages or while the suicider is making his preparations, that is, before suicidal steps have actually been taken. […] A suicide intervener in real life (if he had the nerve) could have a similarly calm discussion with a suicider who had taken an overdose […]

   1995, Gavin Fairbairn, Contemplating suicide: the language and ethics of self-harm, page 172