According to Osho, yes—disembodied souls can enter a living body. “Base” souls, bound to bodily appetites, seek hosts, especially when a person is fearful, contracted, or not master of their body; multiple can enter such inner ‘empty rooms.’ Rarely, noble souls may enter to perform compassionate deeds. Strengthening awareness, fearlessness, and inner sovereignty prevents intrusion.
Yes—if you shrink with fear and lose inner control, uninvited souls can move in; stay calm, aware, and in charge to keep them out.