All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside. No State shall make or enforce any law, which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws. - Section 1 of the 14th Amendment
Discrimination: "involves treating someone less favorably because of their possession of an attribute (e.g. sex, age, race, religion, family status, national origin, military status, sexual orientation, disability, body shape/size) compared with someone without that attribute in the same circumstance"