This term is "plagiarism". Another word that could describe this is "copyright infringement". In that case, it is when you steal a work that is copyrighted (protected by the author/maker).
Walking a mile in someone elses shoes.
Chocolatier.
brownnosing
there queer
people who try to pretend they are someone they arn't http://www.urbandictionary.com/define.php?term=posers
Brownnosing
chthonophagia
Rape is a term that describes forced sexual activity with someone who is unable to give consent.
Pica
Cheiloproclitic describes the attraction to a person's lips.
Winner, Number1
Chthonophagia