【Deceive】 , 【mislead】 , 【delude】 , 【beguile】 , 【betray】 , 【double-cross】  mean to lead astray or into evil or to frustrate by underhandedness or craft.

A person or thing deceives one by leading one to take something false as true, something nonexistent as real, something counterfeit as genuine, something injurious as helpful: the term may imply no more than a chance or inadvertent confusing or it may suggest a deliberate ensnaring or entrapping for the agent′s own and often evil ends.

A person or thing misleads one by causing one to follow a wrong path, way, or course or to fall into error.

A person or thing deludes one by deceiving or misleading one so completely as to make one a fool, a dupe, or so befuddled as to be incapable of distinguishing the false from the true.

A person or, less often, a thing, beguiles one by using such subtle and usually agreeable or alluring devices as to 【mislead】 , 【deceive】 , or 【delude】 one.

A person or thing betrays one by using deception or treachery to deliver one into the hands of an enemy or put one in a dangerous or false position.

A person double-crosses another and usually a friend, partner, or accomplice by deceiving or betraying him, especially by double-dealing or duplicity.