civil disobedience

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Refusal to obey a law as a result of moral objections, especially through passive resistance.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A form of social protest, involving the active but non-violent refusal to obey certain laws, demands, or commands of an established authority, because they are considered to be morally wrong or detrimental.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a group's refusal to obey a law because they believe the law is immoral (as in protest against discrimination)