The Emblemless Legendary Hero

Caitrin Cleg, once known as a single massive continent in our world has now been divided into 6 smaller continents. Along with this, the rise of the first adventurers gave birth to a new era where people began to have levels, magic, emblems, and quests integrated into their daily lives.
In a place where jobs dictate every adventurer, what can an emblemless adventurer do?