faker

noun

1. One who fakes: charlatan, fake, fraud, humbug, impostor, mountebank, phony, pretender, quack. See true/false.
2. One who makes a fraudulent copy of something: counterfeiter, fabricator, forger. See true/false.

Tutor's tip: It is unlikely that a "fakir" (a Muslim or Hindu ascetic considered to be holy) would be accused of being a "faker" (a bluffer; a swindler; an impostor) about anything.

The noun has one meaning:

Meaning #1: a person who makes deceitful pretenses
  Synonyms: imposter, impostor, pretender, fake, fraud, sham, shammer, pseudo, pseud, role player