person or from any other person or authority on whose behalf that other person was acting. 7. Freedom of movement (1) Every person shall be entitled to freedom of movement, that is to say, the right to move freely throughout Lesotho, the right to reside in any part of Lesotho, the right to enter Lesotho, the right to leave Lesotho and immunity from expulsion from Lesotho. (2) Any restriction on a person’s freedom of movement that is involved in his lawful detention shall not be held to be inconsistent with or in contravention of this section. (3) Nothing contained in or done under the authority of any law shall be held to be inconsistent with or in contravention of this section to the extent that the law in question makes provision— (a) for the imposition of restrictions in the interest of defence, public safety, public order, public morality or public health on the movement or residence within Lesotho of any person or any person’s right to leave Lesotho: Provided that a person shall not be permitted to rely in any judicial proceedings upon such a provision of law as is referred to in this paragraph except to the extent to which he satisfies the court that the provision or, as the case may be, the thing done under the authority thereof does not restrict the movement or residence within Lesotho or the right to leave Lesotho of the person concerned to a greater extent than is necessary in a practical sense in a democratic society in the interests of any of the matters specified in this paragraph;