CAN classes

Only commoner class is available but there are 5 subclasses which also have levels which are connected to traits.

You start with level 0 and gain expirience depending on class,
SMITH - from forging on anvil, mining ores
SOLDIER- killing creatures
FARMER - collecting crops
HUNTER - treecutting, killing creatures

Bonuses:
SMITH -  durability bonus to forged tools, can repair armor
SOLDIER- hunger rate is decreased, more health points, armor loses less durability, weight bonus(if weight mod isntalled),
can create different bows, accuracy and ranged weapon speed bonus
FARMER - more drop from crops, fruit trees;higher chance to get farmland block back on destruction; can seal crock N times
without fat in real day; tree seeds, sticks, woods bonus drop
MINER - mining speed, ore drop
HUNTER - can copy N chisel blocks in real day; bonus drop for charcoal, clay, peat; can craft cloths