The questions include standard personal details, secular qualifications and spiritual status. Their spiritual status regards the baptism date, level of publishing activity, and maturity of them and their family. It particular asks as to their humility and willingness to accept counsel, direction and theocratic arrangement.
It appears they are looking for some "company men" (and women in this case) that will assist without asking too many questions, and are indoctrinated enough not to have their faith shaken by the shocking mistreatment of abused Witness children.