Gheebat and Mocking

Q: If you bad mouth or swear someone under your breath, meaning no one can hear you, is that still backbiting or sinful?

Q: I wanted to ask I often backbite about my father and so I understand I give away my good deeds. My question is if I ask forgiveness and he forgives me will I get my good deeds back or not?

Q: I have a question that I have a distant uncle who is sick and old and that when I  inquired about his health from my brother over the phone he said that he's not well and doesn't recognise people, today when I met with another relative he was asking me about this uncle and I said that he's not well and that he doesn't recognise people. My question is that is it a gheebat (backbite)?  Please advice me.

Q: I wanted to ask an important question on the topic of ghibat (backbiting) for I tend to become confused at times. Is it Haraam if you
are listening to someone's desperate problems and discussing it as a group in that case? And that person is being oppressed by others and needs immediate support by his/her friends?

Q: Does swearing using a hand gesture count as swearing?

Q: If you backbite about non-muslims will you get the sin of backbiting?

Q: If you backbited the dead, how do you ask for their forgiveness?

Q: We find many people broadcasting jokes about Julius Malema, Jacob Zuma, Barrack Obama, Blonde Jokes, Indian Jokes, etc. What is the status of these jokes in Shariah? If an article has been prepared on this topic I will indeed forward it to all my contacts Insha Allah.