I think that this mob is a war job. Look at the picture, he's holding a pickaxe. He also has double-attack and has the same equip as the other goblin type warriors. Thanks
this thing trounced me and a friend of mine, we were exploring Bibiki Bay and saw it I was like "cool new mob" it aggroed my friend 50 pld... but I thought he was attacking it so I cast dia.. it killed him in two hits then ran after me naturally I died fast being a 29 blm...
These guys pack a punch. I was trying to Steal+Hide from them (unsuccessful steals but successful hides), and he whopped me for 258 before hide went up.
Be careful, I was level 56 at the time.
Edit: I just tried again after I posted this and successfully stole a gold beastcoin. So it's confirmed these mobs are incredibly high level.