Huzoor (rh): Of angels we positively know that they have independent entities, because belief in angels is a must. But belief in Satan is not a must. In fact, denial of Satan is a must.
ARABIC – believe in Allah and reject tajut
Huzoor (rh): Here yakfur bittagut is a fundamental condition of Iman. So in that sense, of course I know the significance is different, but not even remotely you are expected to believe in the person of Satan. But in the forces, Satanic forces, you must believe, and you must fight against them.