Ramadhaan & Fasting

Q: Who is eligible to receive sadaqatul fitr?

Q: Is it permissible to give a poor person so much of sadaqatul fitr that reaches the nisaab amount (nisaab of zakaat)?

Q: Is it permissible for several people to give their sadaqatul fitr to one poor person? 

Q: What is the mas’alah if one does not possess cash to the amount of nisaab, but one possesses extra clothing and extra cutlery (that is not being used), which equals the nisaab amount, will sadaqatul fitr be waajib upon him?

Q: Is it permissible for one to divide his sadaqatul fitr between two or more poor people?

Q: Upon whom is sadaqatul fitr waajib?

Q: A person intends travelling during the course of the day and at the time of subah saadiq (when the fast commences) he is still in his hometown. Is it permissible for him not to fast for that day?

Q: Is it permissible for a diabetic to take an insulin injection while fasting and will it nullify the fast?

Q: Is it permissible for a person to take an injection while fasting and will the fast be nullified?

Q: If a person whilst fasting ejaculates due to fantasizing or looking at pornography will his fast be nullified?