I really love this setup. They will fit in perfectly with the mission they are given in the spoke!
They love to explore the depths, a perfect mindset to be an Exterminator. So are they from Jhoutai? How do they feel about the Pact itself? Do they Abide? Revere? Or Deny it?
Jhoutai CharGen - Take a look here for more detail as to what each means for you.
Questions about his personality, does he like socialization with others? Considering his job would no doubt take him to remote locations, but it is also insanely dangerous to go into the corralum alone.
How long have they been a scout? How old are they?