Right of Habitation (อาศัย arsai) as a legal term refers to the rights granted under sections 1402 to 1409 of the Civil and Commercial Code governing this personal real right of dwelling gratuitously in a house of another person

a person authorized to make medical decisions on behalf of someone who is unable to communicate or decide for themselves, a living will can name such a person to help ensure that the individual's end-of-life wishes are understood and respected.