(Though, the word can also mean "Jegan head-guessing practice". Need to squint a bit though, since atama-ate usually means head-striking in the martial arts sense. Still, likely a pun was intended here.)
Stand up!
Stand up forrrrrr me!!
*Jegan head-striking practice
What's the matter, puer boy!
Is this the mere extent of your faith in G!?
Liar...
Come, STAND!
This is all for your sake, do you understand!?
I have no intention of raising such a weak-willed wretch!