The answer would be offspring. Why? When a sperm and an egg meets, it creates a zygote.
He is consider as a worker in the class room that follows somethings the teacher says sorry if is wrong.
I believe the answer your looking for is the "frontal" lobe, though this is if you just want the lobe of the brain. The frontal lobe is responsible for giving the traits that define our personality and who we are are. If you want to be specific though it is, I think the "Amydalga" is the more specific answer