IPA: /dɪˈspɛrər/
KK: /dɪˈspɛrər/
A person who feels a deep sense of hopelessness or sadness.
After losing his job, he became a despairer, feeling that nothing would ever improve.
Despairer → It is formed from "de-" (meaning down or away) and "sperare" (meaning to hope). The word "despairer" refers to someone who has lost hope or is in a state of hopelessness.
Think of someone who has lost their 'hope' ('sperare') and is feeling 'down' or 'away' ('de-') from any sense of optimism.