First, you should clean your finger. Make sure you keep it clean, and apply an antiseptic to it, just in case of infection. Just hold on, and if it gets worse, go to a doctor.
Bring your hamster to a licensed vet.
My hamster does to and have nothing to do it's eyes are red and swollen
No
unless the tail is wet, that could be fine. its just the way his/her butt is
Hamster are nocturnal animal if you wake them up in the middle of the day chances are they bite.
It is not dangerous. My hamster has bitten me before and tasted my blood. Your fine
Wherever you were bitten will hurt that's it!
Yes. During "The Return of the King". It was bitten off by Gollum.
Yes, it is very normal for a jammed finger to swell.
You should try to clean it with something like maybe peroxide and water mixed & treat it with some antibotic ointment , if there is no improvement take it to the vet.
you are wird
If it's a domestic or pet hamster, it's fine. You don't have to worry. But if you get bitten by a wild hamster, go to your doctor. You don't know what diseases this wild hamster might have.