The individual in international law — In general — Human rights and freedoms — Rights of minorities — Obligation of State not to discriminate on grounds of sex — Right to found a family — Right to protection of family life — Loss of Indian status as a result of marriage with non-Indian — Loss of right to reside on Indian reserve — Whether breach of minority rights under International Covenant on Civil and Political Rights, 1966, Article 27 — Optional Protocol — U.N. Human Rights Committee — Whether able to examine allegations relating to events before entry into force of Covenant and Protocol — Whether complainant belongs to a minority — Reasonable and objective justification for interference with right to reside in reserve — Whether Article 27 to be interpreted in light of other relevant provisions of Covenant — Whether necessary to examine alleged breaches of other rights