talker
noun [ C ] uk/ˈtɔː.kər/ us/ˈtɑː.kɚ/
健谈的人;空谈的人;以某种方式说话的人
a person who talks a lot, too much, or in a particular way
He's more of a talker than a doer, which is why he never finishes anything. 他说得多，做得少，所以始终一事无成。
Compare: speaker