The elements of a case of disparate treatment relating to retaliation considered individually.

42 U.S.C. § 2000e-2(a).It is unlawful to discriminate on the basis of religion.

Connecticut v. Teal, 457 U.S. 440, 446-447 (1982).Once the plaintiff proves a prima facie case, the employer must "demonstrate that 'any given requirement [has] a manifest relationship to the employment in question,' in order to avoid a finding of discrimination."

42 U.S.C. § 2000e-2."It shall be an unlawful employment practice for an employer - (1) to fail or refuse to hire or to discharge any individual, or otherwise to discriminate against any individual with respect to his compensation, terms, conditions, or privileges of employment, because of such individual’s" membership in a protected category; "or (2) to limit, segregate, or classify his employees or applicants for employment in any way which would deprive or tend to deprive any individual of employment opportunities or otherwise adversely affect his status as an employee, because of such individual’s" membership in a protected category.