Class name : Bard
Armour : Pro 3 and thorns 2 Leather armor
Weapon : Music DIsc(Knockback 2)
Potions : (All of them splash) 10 Potions of strength II(Extended)
Potions 2 : 10 Potions of swiftness II(Extended),10 Potions of Regen(Extended), 10 Potion of Fire resist (Extended)
Class name : Fisherman
Armour : DYED Leather armor (Gray boots) (Blue Pants) (Red tunic)
Weapon : Fishing rod (Knockback 2,Fire aspect 2)
Weapon 2 : Raw fish (Sharpness V, Smite V, Bane of Antropods V)
Potions : 8 Instant health II(Normal potion)
Items : 4 Water buckets

Class name : Terraformer
Armour : Iron (Thorns 2, Protection 3)
Weapon : Diamond Pickaxe( Sharpness V, Knockback II, Fire aspect II)
Weapon 2 : Diamond Shovel ( Bane of antropods V, Knockback II)
Potions : 5 Instant Health II, Potion of Fire resistance II(Extended) (Splash)

Class name : Librarian
Armour : White leather armor
Weapon : A book (Sharpness V), A book (Knockback 2), A book (Bane of antropods V), A book/bible (Smite V),A book (Fire aspect 2).
Potions : You’re a Librarian, You don’t know how to make potions.

That’s all. You don’t have to add them all, this is only a suggestion.
Thanks for your time :3