Subvert (verb)

1. To undermine the power and authority of an established system or institution.
2. To corrupt or pervert the original course or purpose of something.

Origin:

From latin subvertere ("to overthro.w")

Examples:

1. The government accused the opposition of trying to subvert the country's democracy.
2. He was accused of attempting to subvert the company's management.
3. The hackers successfully subverted the computer system.
4. The group's goal is to subvert the existing power structures.
5. The new law was intended to subvert the efforts of activists.