a person who claims to have more skill, knowledge or ability then he or she really has

swindler

a dishonest person (especially when playing games)

person who fools others

a person who pretends to be virtuous or good

person who pretends, is deceitful

a person who tells, or who has told, a lie

person who tells falsehood

a cold-blooded animal that lays eggs, e.g. a lizard, tortoise, crocodile, snake

person who is very dishonest

a dishonest person

person who deceives, swindles

a person who deceives in a cowardly way; to move quietly and secretly in order to deceive

person who is very dishonest