Kiss him
We can all assume he is just a man in need, so help him out.Shoot that bastard.
close the door
That wont do anything, since the horde is outside.
Go inside, then close the door.use item; mind
Much better.You do exacly that, but the door wont hold forever, so you need to escape un-detected!
They didn't notice you in the first place right?
They heard the gunshots.
Well, there doesn't seem to be an-RUN TO THE TRENCHGET 2 DAH BUNKAR
lets assume the gun is out of ammo, run up to them and hug themyou have a gun