A person who speaks on behalf of others or represents a group.

Someone who often talks or expresses opinions, sometimes excessively.

बहुत बोलने वाला व्यक्ति

English Usage: "She is a mouther who always has something to say."

Hindi Usage: "वह एक mouther है जिसके पास हमेशा कहने के लिए कुछ होता है।"