What is the meaning of Faker?

One who fakes something.

An impostor or impersonator.

A friendly unit (usually aircraft) that acts as a hostile unit in a military exercise.

A thief.

A peddler of petty things.

A snake oil salesman; one who makes exaggerated claims about a product he sells.

comparative form of fake: more fake.

to fake; to feign (to pretend to do something)

Source: wiktionary.org