Lighting - gas, dual fuel, kerosene, and electric. Remember spare mantles. 

Table.  Ensure that moisture or rain will not effect it.

Shovel.

Waterproof matches, lighter.

Firelighters and pine kindling.

Buckets.

Rubbish bags.

Shower.

Aeroguard or similar.

Sturdy chairs.

Washing up gear.

Clothes line and pegs  (No, dont take the washing machine!)

Hand wash bowl and soap.  Hygiene - keep your hands clean a