What is the meaning of Talker?

A person who talks, especially one who gives a speech, or is loquacious or garrulous.

Any creature or machine that talks.

A talk show

A talk-show host.

An all-talk radio station.

A popular topic of conversation.

A talking point.

A stripped-down version of a MUD which is designed for talking, predating instant messengers; a kind of early chat room.

Mouth.

A table talker or shelf-talker.

an augmentative and alternative communication divice

Source: wiktionary.org