When a person imitates another person, it is called mimicking or copying.
An aper is a person who apes or imitates something or someone else.
Such a person is called an ATHEIST.
The term "copycat" likely originated from the behavior of cats, who are known for imitating movements and behaviors observed in other cats. Therefore, when a person imitates someone else, they are referred to as a "copycat" due to this mimicry of actions and behaviors.
Echopraxia is the sudden urge to imitate someone. So they might be Echopraxic?
Some other person.
An animal caller
Some person; someone. Can also mean a person of importance or authority.
Someone who assaults someone is called an assaulter.
The definition of apple polisher is someone who humbles himself as a sign of respect. The only rude meaning it has is that a person called you someone with low selfesteem
An illiterate person is someone who is unable to read or write.
Chauvin is a French word that is meant to describe a person who is aggressive or shows prejudice to a certain group of people. Someone who is racist can be called a Chauvin.