suicider
nounEtymology From suicide + -er.
1
Nonstandard One who commits suicide.
2
Medicine, Sciences One who is planning to commit suicide.
- 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: