Seeking to become stronger when talent is nowhere to be found and hard work is obsolete meaningless.
The bloodline of the family do not help as well but still, Jim Jabat desires to become stronger, trying to put everything on luck and hoping to be chosen somehow.
Jim wishes to become a stronger Hunter to at least protect himself and his kin. And also, to find his father who left him.
Luckily, he was chosen and became the "X-Rank Hunter."