Point of fact: the word "citizen" does not appear in any article of the Bill of Rights.
They are restrictions upon the US government. In practice, this usually protects US nationals to a greater extent than any other nationality, but in theory, it should protect everyone on the planet from just one (particularly powerful) government. People elsewhere have their own government nastiness to deal with; they don't need to worry about ours as well.
They are restrictions upon the US government. In practice, this usually protects US nationals to a greater extent than any other nationality, but in theory, it should protect everyone on the planet from just one (particularly powerful) government. People elsewhere have their own government nastiness to deal with; they don't need to worry about ours as well.