translate English to French: The authorities have harassed pro-democracy activists who have attempted to visit him and he has been prevented from meeting with dissidents, being physically harassed by police agents when he attempted to meet Hoang Mink Chin.
Les autorités ont harcelé des défenseurs de la démocratie qui voulaient lui rendre visite et il a été tenu écarté de certains dissidents, des policiers l'ayant malmené lorsqu'il a tenté de rencontrer Hoang Mink Chin.