Giving zakaat to one's brother who is jobless

Q: My youger brother who is jobless and they have newborn baby. Currently, he has no income. Can we give him bulk of zakaat so he can fulfill the needs of his wife and baby? Few months ago we gave him zakaat for the amount equivalent to US$1000 which he deposited in his bank account. Can we give me more money from zakaat so he can manage the needs of his wife and baby?

Performing qasar salaah while studying safar distance away from home

Q: I am from Peshawar and I am an employee here in Islamabad. I used to come to my office every Monday and go home every Friday. I live here in a hostel for 4 nights every week for the last 1 and half years but I have never stayed for more then 10 days here in my hostel continously. How should I perform my namaaz? Do I have to read qasr or full namaaz?