a person who conspires
schemer
a person who feels hatred and tries or wishes to harm or attack
someone hated or competed against
a person who offers herself or himself for sexual intercourse for payment
person who sells own abilities, talent, or name for inferior purpose
a person who cooperates with the enemy
traitor
an animal like, but larger than, a mouse; a person who deserts a cause that he or she thinks is about to fail
informer
to steal (something of little or no value); to report (about a person) to an official
informer
a person who gives advice about who will win races
informer
a person who betrays a friend, is disloyal to his country etc
person who is disloyal
a person who leaves one group and joins another
traitor
a kind of small, fierce animal with red-brown fur
sneak