IPA: /dɪˈsweɪdə/
KK: /dɪˈswɛɪdər/
A person who advises someone not to do something or tries to convince them against a particular action.
The dissuader warned her about the risks of investing in that company.
Dissuader → It is formed from "dis-" (meaning apart) and "suadere" (meaning to advise or persuade). The word describes the act of advising someone against something or persuading them to refrain from a particular action.
Think of someone advising you 'against' ('dis-') something, which helps you remember that a dissuader is someone who persuades you not to do something.