A small caliber hand gun
Yes. Not the best choice, but yes.
For small game hunting, I think so.
Small inexpensive hand gun
You will need to take it to a gunsmith.
38 caliber hand gun
That will vary with the purpose for which you have the gun.
There is no best gun because it depends on too many factors. The best gun for you is whichever gun that fits your hand the best so you can shoot it accurately. Beyond that, a gun for everyday carry must be reliable and be of an adequate caliber for self defense.
No
Relatively small and concealable caliber with enough terminal performance to get the job done with proper shot placement
no. ,22 caliber blanks are far to small, and will fall out of the 8mm gun- which is about .32 caliber.
There are many hand guns available on the market. But your personal preference of the hand gun in which is best for protection is up to the person. While one person maybe like a Glock you may like a caliber or style of gun for yourself.