IPA: /dɪˈstɜːrbər/
KK: /dɪˈstɜrbər/
A person or thing that causes disruption or interruption.
The loud music made him a disturber in the quiet library.
Disturber → It is formed from "dis-" (meaning apart) and "turbare" (meaning to disturb or throw into confusion). The word "disturber" refers to someone who causes disorder or disrupts the peace.
Think of someone who causes things to be 'apart' ('dis-') and 'throws into confusion' ('turbare') — that's why a disturber is someone who disrupts the peace.