Cookery Guides - If canned food won't do you for the duration of Z-day I suggest you learn how to cook with fresh ingredients.
Key Skills: Home Economics, Cookery

Gunsmith- You need a guy who can trick you out with the most accurate and reliable firearm along with making ammo. Schools provide the best education.
Key Skills: Mathematics, Woodworking, Metallurgy, Milling, Gentle hand, Lots of tools!

Bladesmith- They don't need reloading.
Key Skills: Metallurgy, Blacksmithing, a few tools, and a lot of metal.

Medic- For when the $h!t hits the fan, and you screwed up on your explosives.
Key Skills: Sutures, Anatomy, Bandaging, Extensive med training, Math for meds, meds, cleaning agents.

Construction- Helps barricade the "fortress", and fixes that floor that you blew up the other day.
Key Skills: Measurement, Metallurgy, tools, skill in welding/constucting buildings, appropriate consturction materials.

Search, Save and destroy team- finds all weapons and all useful equipment, dispatches rescue squads, eliminates bandits and zombies.
Key Skills: weaponry, Driving, Aiming, Stress management, Tactics, Searching ability, moving crap, communication.

Hitmen- eliminates armies of zombies, and many bandits silently.
Key skills: weaponry, reloading, tactics, silent weaponry, and a flowing three piece suit. lol (just felt like adding it)