What doctrine states that if a property owner is lax in protecting his or her rights, the property owner may lose those rights?

The doctrine of laches

Explanation:

The doctrine of laches is a defense in court that can be asserted in a civil case, claiming that there has  been an excessive delay in implementing the request, which has biased the defendant,  or prevented him from pursuing a defense.

If the proprietor does not respond in a timely way to an illegal structure based on an  act of limitation and waits for the complete construction of the structure,  the judge may apply this law.

answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’