Good Character

Q: If I made gheebat of a person and I repent to Allah. The person is not aware of me making gheebat of them, do I still need to ask them for maaf?

Q: If I deliberately go through a persons personal file and see personal stuff about them. I then repent to Allah for my sin. Do I need to tell the person what I did and ask them for maaf too. They are totally unaware of it.

Q: I would like to ask if someone knows the truth and is hiding it from others in order to save the bad person or guilty one, what does the Qur'an and Hadith say about it?

Q: Is wasting water a major sin, how big of a sin is it?

Q: Can a Muslim reveal the faults of a non-Muslim?

Q: In Islam what is the status of littering / throwing ones small dirt packets etc outside?

Q: Please advise regarding the actions of the night:

1. Is it necessary to close all doors and windows of the house from maghrib till after sunrise?

2. If so, must it be done in even hot weather or with a window in the toilet room as well?

3. Must a utensil, like a plastic jug, kept in a toilet-bathroom that is used expressly for the purpose of holding water for istinja also be covered at night?

4. If so, can the water in such a utensil that was not covered at night be used for istinja?

5. Should even adults avoid leaving the home or standing around outside unnecessarily from maghrib till after sunrise?

6. Must one avoid cutting trees and plants, gardening, picking flowers etc. from maghrib till after sunrise?

7. Would (Question 6) apply to indoor plants as well? 8. Also, is it alright to have plants growing indoors? Like a vase of flowers, a tree, or a pot plant?

Q: Is it permissible to eavesdrop on a conversation if I am the one being spoken about?

Q: One company gives software free for students. Those students who have university email addresses can apply for this free software. I am a student but my university doesn't provide us with an email address. If I download this software and crack it for my use as a student, then is it a sin? They provide free for all students, if I don't have a university email still I am a student.

Q: If someone insults the Prophet Muhammad (Sallallahu Alayhi Wasallam) then should there be any punishment for him, looking at the fact that he did not kill any innocent human being, and as Allah Ta'ala says that we should forgive anyone who says bad words to us, and we should reply with Salaam? I need references from Quran and the Saheeh Hadith, only then I will believe.