Albus Dumbledore and the Great Squib Potter

After hiding squib Harry from the wizards and lying that he is dead, Dumbledore vows to keep Voldemort at bay as long as possible on his own Ministry eventually finds out Dumbledore's secret and threatens him to retrieve Harry or be jailed forever. Dumbledore promises to protect Harry from everyone, but fortunately for him, Harry isn't as defenseless as he thought. AU.