Duas we should recite when encounter by enemy or those in authority

Here are the Duas:

Allahuma inaa naj'aluka fee nuhoorihim wa na'oothu bika min shuroorihim.

Meaning:

O Allah,we ask you to restrain them by their neck and we seek refuge in you from their future.

Allaahumma 'Anta'adhudee,wa 'Anta naseeree,bika'ajoolu,wa bika'asoolu,wa bika'uqaatilu.

Meaning:

O Allah,you are my strength and you are my support.For your sake I go forth and fir your sake I advance and for your sake I fight.

Hasbunallaahu wa niamal-wakee.

Meaning:

Allah is sufficient for us and the best of those on whom to depend.