IPA: /dɪsˈkloʊzər/
KK: /dɪsˈkloʊzər/
A person who reveals or makes something known, especially information that was previously kept secret.
The discloser provided important information about the company's financial practices.
Discloser → It is formed from "dis-" (meaning apart) and "clausus" (from Latin, meaning closed). The word "discloser" refers to someone who reveals or opens up information that was previously closed or hidden.
Think of someone who is 'opening up' ('dis-') something that was 'closed' ('clausus') — that's why a discloser is someone who reveals information.