Surviving alone was difficult. She needed someone more capable of protecting her to rely on.
Good people would not do. These people lived under the World Government's order and knew nothing of the darkness that existed within it. One of the few ways they came to understand such things was by becoming firsthand victims themselves.
Bystanders saw things more clearly. When a conspiracy was aimed specifically at someone, it was easy for that person to get caught in it.
Living in the environment created by the World Government, many people believed the World Government was good.
Every good person Robin had met so far had intended to trade her in for the bounty.
Bad people would not do either. Although pirates and the like regarded the World Government and the Marines as enemies and did not mind sheltering wanted criminals, they sometimes even specifically sought subordinates with high bounties.
However, Nicole Robin had once encountered a pirate willing to take her in. That pirate had been full of confidence the day before, believing he feared nothing, but before long, he ran into a Marine encirclement.
Faced with those Marines from the Grand Line, those pirates were no match for them at all. The moment they met, they were beaten into a complete rout.
By the time they wanted to hand Nicole Robin over to settle things, Nicole Robin had already fled on her own.
That was when Robin realized that only a sufficiently large umbrella of protection could possibly let her endure.
Other than her bounty, her only value was her extensive knowledge of the Poneglyphs. Therefore, she needed an ambitious man.
Unfortunately, she did not know about the red Road Poneglyphs. From that perspective, the great pirates of the New World were the best people for her to rely