Minority: The state or condition of a minor; infancy. The smaller number of votes of a deliberative assembly; opposed to majority. (Black's Law Dictionary)
Majority: Full age; the age at which, by law, a person is entitled to the manage- ment of his own affairs and to the enjoyment of civic rights. The opposite of minority. Also the status of a person who is a major in age. (Black's Law Dictionary)
Minor: An infant or person who is under the age of legal competence. A term de- rived from the civil law, which described a person under a certain age as less than so many years. Also, less; of less consideration; lower; a person of inferior condition. (Black's Law Dictionary)
Major: A person of full age; one who is no longer a minor; one who has attained the management of his own concerns and the enjoyment of his civic rights. (Black's Law Dictionary)
Minority Shareholder: Equity holder with less than 50% ownership of the firm's equity capital and having no vote in the control of the firm. (Black's Law Dictionary)
Majority Shareholder: a private or publicly traded corporation controlled by at least 51 percent of its outstanding shares owned by any one person or company. (Black's Law Dictionary)
Note; under minority it reads, "The state or condition of a minor"
Therefore, if one is not of the majority, they are of the minority and a person of inferior condition.
Infant: A person within age, not of age, or not of full age; a person under the age of twenty-one years; a minor. (Black's Law Dictionary)
Parent Company: A parent company is one which owns and controls other firms or companies, usually known as subsidiaries. These companies have their own legal entities. Known also as a holding company. (Black's Law Dictionary)