No you should never refreeze any uncooked food. You can cook the bacon and then freeze it.
No, it would not be safe to refreeze bacon, or any food, without cooking it first.
You can refreeze any food after its been defrosted as long as you cook it. What you should never do is defrost food and then freeze it again raw. It's very dangerous to do that.
Most bacon has been smoked, but not cooked. Microwave bacon is partially cooked.
Yes, after you cook it, it is in a differant STATE, it has been preserved abother way. Just don't freeze it too long.
Yes, you can freeze a cooked beef joint.
It is bacon that has been cooked, smoked, or glazed with maple syrup.
Yes, you can safely freeze ham after it has been cooked. After thawing the same frozen cooked ham, it is unsafe to freeze it again.
Yes, you can safely freeze cooked fish.
I would not advise it!
Defrosted raw meat can be refrozen and cooked later, but the quality of the meat will be notably reduced. If the meat has been at room temperature for more than an hour or so, bacterial growth may have been substantial, and then the refrozen meat may not be safe to eat later, even after being cooked. The best way to deal with defrosted meat that is not needed immediately is to cook it and THEN freeze it for future use. In theory you can defrost and freeze meat as many times as you want as long as you cook the hell out of it before eating. Each time you do it, more bacteria grow inside it, but the heat of cooking will kill them. However, the palatability of the meat decreases with each cycle and quickly renders the food inedibal except by the very hungry.
yes if you put it in the freezer
If you've been keeping it in the refrigerator for four days, I wouldn't, no. Anything cooked that you wish to freeze for later use should be frozen that day.