(g) for the purpose of preventing the spread of an infectious or contagious disease; (h) in the case of a person who is, or is reasonably suspected to be, of unsound mind, addicted to drugs or alcohol, or a vagrant, for the purpose of his care and treatment or the protection of the community; (i) for the purpose of preventing the unlawful entry of that person into Lesotho, or for the purpose of effecting the expulsion, extradition or other lawful removal of that person from Lesotho or for the purpose of restricting that person while he is being conveyed through Lesotho in the course of his extradition or removal as a convicted prisoner from one country to another; or (j) to such extent as may be necessary in the execution of a lawful order requiring that person to remain within a specified area within Lesotho or prohibiting him from being within such an area, or to such extent as may be reasonably justifiable for the taking of proceedings against that person with a view to the making of any such order or relating to such an order after it has been made, or to such extent as may be reasonably justifiable for restraining that person during any visit that he is permitted to make to any part of Lesotho in which, in consequence of any such order, his presence would otherwise be unlawful. (2) Any person who is arrested or detained shall be informed as soon as is reasonably practicable, in a language that he understands, of the reasons for his arrest or detention. (3) Any person who is arrested or detained— (a) for the purpose of bringing him before a court in execution of the order of a court; or