3.  The States parties shall take all necessary legislative, administrative and judicial measures to guarantee the protection, survival, development and well-being of the child in an atmosphere of freedom and dignity and shall ensure, in all cases, that the child’s best interests are the basic criterion for all measures taken in his regard, whether the child is at risk of delinquency or is a juvenile offender. 4. The States parties shall take all the necessary measures to guarantee, particularly to young persons, the right to pursue a sporting activity. Article 34 1. The right to work is a natural right of every citizen. The State shall endeavor to provide, to the extent possible, a job for the largest number of those willing to work, while ensuring production, the freedom to choose one’s work and equality of opportunity without discrimination of any kind on grounds of race, colour, sex, religion, language, political opinion, membership in a union, national origin, social origin, disability or any other situation. 2. Every worker has the right to the enjoyment of just and favourable conditions of work which ensure appropriate remuneration to meet his essential needs and those of his family and regulate working hours, rest and holidays with pay, as well as the rules for the preservation of occupational health and safety and the 19