Any handymen or repair men I have a question for you?

Hopefully you can buy that seal for that model to replace. In the meantime maybe some silicon sealer can be inserted into the cracks as a stopgap measure. Proceed to lightly rap the skull of whoever damaged it with your knuckles.

Just replace the gasket.  They're flexible rubber parts, so everyone understands that those eventually become brittle and fail.  You should be able to look up exactly what you need from your refrigerator's model number on a parts supplier site, order it up and swap it in.  Not expensive and not hard to do.

the seal is replaceable.  buy new one online, using your exact brand and model number

You DON'T repair the seal. You REPLACE it.

That said, if there are cracks in the door causing a bad seal, you replace the door.

You buy a seal if it is available and replace it.

You can buy a replacement seal and replace it.  If you mean she cracked the door that's harder.  try caulking the cracks.

You can buy the rubber door seal

You need a new fridge there are hazardous chemicals used in fridges and freezers and cracked or damaged parts are a possible leak and dangerous and no sticking plasters wont do Huston 

There are appliance parts stores on the internet. The model number of the fridge is on sticker inside. You look thru the pictures and find the bad part. If the price is right you choose to repair it. You can probably find seal replacement videos or instructions on internet also. As I recall it's an easy task.