In the above excerpt, Orwell is using indirect characterization. 
Here, the private thoughts of the character are telling the reader more about his personality. We learn not only who he supports but also that he is doing so secretly.
        
                    
             
        
        
        
I think it’s the second one hope this helps
        
             
        
        
        
I’d believe the informal would be “Can you...?”
        
                    
             
        
        
        
I describe her as a good singer; talented, because she is a mother. A person in her own self; reading, writing, etc.