False allegations and accusations levelled against the Ulama of Deoband

Q: I was watching a religious show on TV, there was this Mufti who said that we should not offer salah behind a Deobandi since they say bad things about RasoolAllah (sallallahu alaihi wasallam). How should we reply to such people who say such things and are misguiding the innocent people and creating doubts in their hearts and minds regarding the Ulamas of Deoband?

Rental dispute

Q: I stay in a rented apartment which is being shared between six people including me. A few days ago my friend (ex-roommate) had come to stay at our place for few days, and as a good gesture my other roommates allowed him to stay, but due to some unavoidable circumstances his stay got extended by a week and hence my other roommates asked me if he could pay us a small amount as he is staying longer and facilities such as Electricity and water is being used by him. So I told my friend that he will have pay a small amount, he said how come we are asking him to pay and all, so I told him we will discuss it later in the evening as I was getting late for the office, meanwhile he messaged my other roommate and enquired with him why we want him to pay the share. Now that conversation went little wrong and later he confronted my roommate and had a quarrel with him in abusive language, that he won't give the rent share and said we are cheap kind of people who are asking for rent and left our place after that, later on he posted about this incident in a whatsapp group where all my other friend s are present and they all stared to scold us for asking him for rent share and the conversation here as well went wrong and people stared to abuse each other and I'm being held responsible for everything. Now my question here is:

1. Are we wrong that we are taking rent?

2. Has the person did the right thing by posting about the incident on that whatsapp group and abused us?

3. What could be done in order to neutralize the issue.

Committing evil with the intention of repenting later

Q: In Islam it's all about the intention. I read that if a person had an intention to commit a sin and he refrained from that for some other reason than Allah, he will be punished for that sin. So according to this, will a person be punished for being ready to commit shirk with the idea of asking forgiveness? Because I am suffering from waswas for long time. For some reason I thought asking doubt is shirk then I thought of doing that and ask forgiveness from Allah after that I got to know that asking doubt is not shirk but I was ready to ask doubt so will I be punished for this? Do I have to say the kalima and do sahada again?

Solemnizing the nikaah

Q: Me and my wife to be along with my parents and her parents sat together to confirm our marriage proposal. Both parents asked us both if we are happy with each to get married and we both replied saying yes we are. Is our nikkah done and can we speak to each other now.

Giving one's child for adoption

Q: I have been married for the past fourteen years now and we have no children though all our reports are normal (both of us). My wife's brother has a daughter and he is younger in age, he used to feel bad about this and finally took some strength and spoke to me that they will give birth to a new born and will hand it over to us. His wife is pregnant now. It was agreed between us, him, his family and the family of his wife and they are also very happy to give us the baby, they do not want a new child for themselves as they said we are happy with one child. Is this allowed as per Islam? Now the thing is that his wife is due in this month for delivery and we have no option for the same. But then too please let me know in the light of Islam.