CLEAN : Malaysia's Anwar slams 'political harassment' after police questioning

The speaker discusses their cooperation with the police, expressing concerns about political harassment and the focus on naming Members of Parliament. They emphasize their willingness to cooperate but highlight the issue as politically motivated and not the business of political masters, stressing the matter is between them and His Highness the Argo.

What does the speaker mean by 'political harassment'?

What is the relationship between the speaker and 'His Highness the Argo' as mentioned?