The Overpowered Trader. (The OP Trader.) His secret name is Jimmy123. you should so use him. He can give you the best armour and weapons of all time.
Plus potions. He also can give you Notches head, Herobrines Head, Portal frames. All you have to do is copy the command. Place down a command block down.
Paste the command in. Activate with some redstone and he will spawn. simple as that. Don't worry he wont run away. There you have The Overpowered Trader.
(The OP Trader.) ((Jimmy123.)) If you like it please put it on YouTube and call the video The best villager command. thaks.