You don't.
No, an expired passport cannot be used as proof of citizenship.
A passport does not constitute eligibility for citizenship in Britain. You must apply for a visa and apply for citizenship.
A passport from your country of citizenship
US citizenship.
The nationality listed on my passport is the country of my citizenship.
The country that issues your passport is the country of your citizenship.
It is proof of citizenship
It is proof of citizenship.
You have to get Namibian Citizenship.
You may be able to obtain a passport from your country of citizenship, but not from the country that has issued you a green card: passports identify and verify citizenship. Visit your country's consulate if you're not living in your country of citizenship, or the passport office in your country of citizenship to verify your rights to a passport. It will be important to disclose that you are holding a green card from another country.
Yes, you can use your passport card as proof of citizenship when applying for a passport book.
Not for applying for citizenship. But when they check your documents on the test date and the citizenship ceremony, you will need to show them a valid passport. So, it is better to apply for one now.