Making Towbah

Q: I am in a lot of trouble. My son was 21 years old. He is unmarried and he did a big mistake with a foreign girl. My son did sex for the first time. It is a big gunnah. Please give me a solution to have forgiveness from Allah Ta'ala.

The name "Talha"

Q: I have choosen these names (Inhaan) (Mavin) (Minhaan) (Oruj) (E-Shaan) (ihaan ) (Aanis) (Talhaa ) (Danyaal) for my newly born son . Tell me which one is suitable for my son.

Interest

Q: If I loan someone money, for example, I loan someone R10 and we agree that they will pay me R15 in 10 months time, R5 more than what I loaned them, is that extra money considered interest?