He is the second person to be charged under the law for insulting the president.
The law was highly criticised for infringing freedom of expression when it was enacted last year. Below is the statement of the offence:
Here's a translation of what he is alleged to have said:
“Doesn’t [President John Magufuli] have advisers? Isn’t he advisable? Or is he simply an idiot? He is such an imbecile; he doesn’t consider the law in place before opening his mouth! Or is he sick of 'Mnyika-disease'?”