Don't really play MC, but I'll give you some ideas.
Class name: Archer
Items/weps: Bow (261), 64 Arrows (262), 1 cooked porkchop (320)
Armor: Leather
Class name: Knight
Items/weps: Diamond sword (276), 1 cooked porkchop (320)
Armor: Iron
Class name: Tank
Items/weps: Iron sword (267), 1 cooked porkchop (320)
Armor: Diamond
Class name: Wolfmaster
Items/weps: Wooden sword (268), 2 bones (352), 1 cooked porkchop (320)
Armor: Leather
Class name: Chef
Items/weps: Wooden sword (268), Cake (352), 5 steak (364), 3 cookies (357), 1 cooked porkchop (320)
Armor: None
Hope this helped.
The numbers in parentheses are the item's id.