What is the ruling of Sharia on singling out Jumu`ah with fasting when it falls on the Day of `Arafah?

I have a serious illness (Extreme dizziness) and it is difficult for me to travel or go out. Is it allowed to delegate someone to do Hajj on my behalf?

We are a team that works on a drilling rig in the Dead Sea area. We work different shifts six days a week. Unfortunately, we can`t stop the rig at prayer time and it moves half a circle left and right. It deviates (45) degrees right and left from the direction of the Qibla, so it becomes impossible for us to pray towards the Qibla because the rig keeps rotating. How can we pray while on this rig?

What is the ruling of Sharia on holding more than one congregation concurrently for the same prayer in the same mosque?

I`m a tradesman and don`t know how to calculate the Zakah due on trading items. Hawl (Zakah year) has lapsed only over some of the goods; some have been damaged and I might return them to the owner. Sometimes, I pay for goods in advance and, sometimes, by installments. I also have money in my bank account, in addition to cash and uncashed checks. Also, people owe me money; some of which are repayable and some are unrepayable. I`m also indebted and have taxes and expenses to pay. I have vehicles, such as cars, trucks and the like, real estate; some are for trade and some aren`t, and some I rent to generate income. This is in addition to my own private money, car and house and other items not set for trade. My wife has also adornment gold, in addition to gold for saving. What is the ruling of Sharia on all of this?

What is the ruling of Sharia on collecting obligatory and voluntary charities in favor of what is called (Poor Female Student Fund) to help needy female students spend on their personal needs, and not their tuition?

Which ruling comes first: Combining prayers during rain or offering each prayer at its prescribed time?

Should the Imam be followed when joining prayers because of rain or this isn`t allowed for the praying person who doesn`t meet the conditions and rules of this concession?

Is joining prayers because of rain from Sunnah?

Could you clarify Salatul Awabeen in detail?

Is it permissible to wipe over thin socks while making Wudu` (Ablution)?

If I have sworn by Allah unto someone to do or not to do a particular thing, am I liable for the Kaffara (Expiatory gift) of breaking an oath since many people think that this isn`t an obligation?

What is the ruling of Sharia on slaughtering a sheep or a she-camel with the intention of seeking relief from worry and grief?