Day Questions

Can anyone enjoin the good and forbid the evil or it is obligatory on scholars and religious leaders only?

It is obligatory on every believer to enjoin the good and forbid the wrong if the conditions are met.

I have small cut on my arm, and the blood on my arm is less than the size of a 'dirham'. May I perform wudhu on it when the blood becomes dry?

If the wound is on the parts of the wudhu then it is obligatory to remove the dry blood – even if it is less than the size of a 'dirham' – and make that part tahir in order to perform the wudhu.

When I do ghusl, I keep having doubts about whether I have wash a particular part of the body, and I keep repeating the washing numerous times. What should I do?

If you doubt that you missed one part of your body, you should redo it. However, if you doubt so often in such a way that they become excessive, then you do not need to pay attention to them.