IPA: //ˈnɒnˌspiːkər//
KK: /ˈnɑnˌspiːkər/
A person who is unable to speak or does not speak a specific language.
The nonspeaker struggled to communicate with the group.
Nonspeaker → It is formed from "non-" (meaning not) and "speaker" (from Old English "specan", meaning to speak). The word "nonspeaker" refers to someone who does not speak.
Think of 'not' ('non-') and 'speaking' ('speaker') — a nonspeaker is someone who does not speak.