Very recently my uncle and dad have been lying for money. Well its really my uncle my dad is just helping him with it. I understand that this is a sin and the money is haraam, but I don't have the guts to tell my dad and i'm afraid in case I tell my uncle that its haraam and then he will tell my dad. My uncle is receiving benefits and he claims he is disabled and cannot work when he can walk and at least talk,lift and work just fine. He is also a diabetes patient so he is legitimately receiving money for that, but he was not satisfied and had to say he is also disabled and cannot work. It annoys me that he sits in our house all day,watches the TV,complains sometimes about not having a good scented soap yes a good scented soap and then expects us to do whatever he wants. He annoys me in fact he is sitting right behind, but I try to hold my anger in and sometimes I cant. With his new money he has bought and I Phone and is sending money to his kids and wife across the world and the think that makes me even mad is that he says that he will give me £5 or something like that and the next thing you know hes buying all the latest stuff. I don't want his haraam money anyway and I could care less what he does with it its got haraam written all over it for me. He drives me crazy and is also a very nosy person and he use to drink alcohol and maybe even smoke. Finally whenever I pray my salat I usually do it in the same room as him, so whenever I finish the salat I prostrate and say my dua etc.. then I hear him saying remember to pray for me for my wealth and my kids etc... I at that moment just go furious, but i somehow hold my anger in.
Now the question is that when he asks for his dua he is basically telling me to pray for him not to get caught and pray for more money thats haraam. Obviously I will not do that, so when I finish my dua he will ask me did u pray for me then I would reply yes. I obviously did not so is this lie ok? is this lie ok in the eyes of Allah and finally what type of punishments might my uncle/dad get? Thank you.