Usually in Malaysia, people with the honorary title of Datuk will be given some face by others, which will be more convenient when doing business. Therefore, many businessmen are expecting this honor.
The highest is Tun, followed by Tanseri, and then to Datuk.
The former Malaysian Prime Minister's original name was Mahadi Mahathir and his title was Dun, so he should be called Dun Mahathir Dun Mahathir.