inalienable

/ˌɪneɪliənəbəl/
adjective
  1. Not able to be taken away, given away, or transferred; especially of rights or freedoms.
    • The Declaration of Independence states that all people have certain inalienable rights, including life, liberty, and the pursuit of happiness.
    • Freedom of speech is considered an inalienable right in many countries.
    • The treaty recognized the inalienable sovereignty of the nation.