Yes. But you had best hit it in the head and use a heavy pellet (Pellets come in different weights). Also use hunting (Hollow point ) pellets. Be repaired to give it a second shot as the kill shot.
I doubt it.
Yes.......
Yes:
Both can kill you.
yes
no it is extremely unlikely that is possible
Rodents and small birds
Yes but it may be unlawful.
If you do training but be careful when there is a wild boar it might scratch you or bite you.
Yes. But I suggest using hunting pellets.
Definitely Yes it can.
Yes, small game and rodents.