None of these is to start with capital letter in not at the beginning of the sentence. 1) In the translation provided - it is nationality of woman. The following translations are possible: 2) AzerbaidžÄnis 3) AzerbaidžÄņi 4) AzerbaidžÄņu valoda
2) (nationality of man) 3) (nationality of women and men in plural) 4) ('Azerbaijani' as language)