This isn't about morality.
I have no idea what happened at that temple, BUT _IF_ the bodyguard was inebriated, Aishwarya should apologise. As his employer, she is responsible for his actions while on duty.
Think about it - if you went to a bank, and the guard mistreated you, you would go to the manager right?
As for the priests... well my general opinion about clergymen of all denominations is that they should be shot