Zakaat related questions

Q: Me and my brother take care of my uncle's family and their monthly needs (grocery rent etc). My question is that as it is the month of Ramadaan , I need to pay zakaat so can I use to zakaat money I owe this year to maintain their daily needs for the next month. I am concerned because I manage their expenses every month from my own money, so is it fine to use zakaat money this time?

Second question: My mother has some 10 grams of gold and my father passed away. Do I need to consider the gold as my belonging while calculating my zakaat?

Explaining to a non-Muslim about the prohibition of alcohol in Islam

Q: I have come into contact with a guy at work, who had already researched a lot about Islam via the internet. So I've explained to him that to be a Muslim he requires belief in Tawhid (Monotheism) and Risaalat (the prophethood of Nabi Sallallahu Alayhi Wasallam). I took him to the Musjid to see how we offer Salaah etc. He says he believes in Monotheism, but now he's got one question. Why could Islam unconditionally stop/forbid Alcohol, while it only regulated Slavery, and did not forbid it? I couldn't answer him, I replied by saying that it was eventually forbidden, and it was over a period of time, so that the people will willingly accept and obey, he was however not satisfied with my answer. Is there anything wrong in what I said? and please provide an answer.

Illicit relationships

Q: I have caught my father researching escort agency's twice and I am not sure how to handle it. The first time I did tell my mother and he denied going to any, yesterday my mother and I were gone visiting and on our return the front door was locked. When questioned he said he was sleeping. Later the Internet history revealed he was on those sights. Moulana please advise how do I deal with the situation without embarrassing my father or hurting my mother? I was in denial before and though he was only viewing pictures however I don't think that is the situation. Also my father is pious and I am so shocked.

Haidh problem

Q: A woman has not got her monthly haidh for more than a year. Two months ago, she had bleeding for 7 days only. She was then clean for 18 days. After 18 days she has been experiencing brown discharge continuously. It will soon be a month that she is in this state. How many days should she regard as haidh and how many days should she regard as istihaadhah? Please explain the ruling if she remains in this state for a few months?

Respect for Ulama

Q: I have read somewhere that it is a right that (Muslim) scholars must be respected. Therefore, is it haram for a layman to argue or talk back to a scholar? Not in a rude way, but in a kind of casual manner, like he would talk to friends etc.

Adoption

Q: My mamu is a US resident and he had applied to adopt us. Everything is done from his side and the court has given it's order too. The problem is with my brother. He wants to stay here due to his friends and doesn't want to go. He argues daily with us and walks away. Can you please tell me any wazifa that can change his mind?