Najib has completed his Advocate Profession Special Education (Pendidikan Khusus Profession Advokat) and passed Advocate Profession Examination (Ujian Profesi Advokat) with the Indonesian Advocates Association (Perhimpunan Advokat Indonesia – Peradi), he is currently waiting to be sworn in by the Indonesian High Court as an Advocate.

‍Najib is a native speaker of Bahasa Indonesia and is fluent in English.