Miner Fred

Miner Fred is a merchant NPC in The Forge who sells Pickaxes. He travels around the islands offering to sell the player stronger pickaxes on their journey.

Stonewake's Cross: At the initial spawn area, walk forward and up the slope on the right, between The Cave and NPC Bard.
Forgotten Kingdom: At the initial spawn area, on the left side, to the left of NPC Wo.
Frostspire Expanse: From the initial spawn area, follow the left fork forward, between NPCs Maria and Runemaker.
Crimson Sakura: From the initial spawn area , go straight and he be on the left side.

No quest on the wiki is given by this NPC.