Just I want to know the difference between the "stir up" and "provoke", where it should be placed exactly.
Well, to stir up means to instigate, or initiate or to set in motion. So a sample sentence could be
To provoke is to stimulate or give rise to a strong emotion or a reaction, which is typically an unwelcome one. A sample sentence could be
Does that clear your doubts?
Provoke means "stimulate or give rise to a reaction or emotion (typically a strong or unwelcome one) in someone," while stir up means "arouse strong feeling in (someone); move or excite.
The difference is that provoke is also used for an unwelcome reaction or emotion, while stir up is used for a strong feeling.
In this sense provoke is about creating a reaction
while stir up is used to mean excite
Stir up is in common English usage because of a phrase in the old Anglican collect for the last Sunday before Advent
where it was a translation of the Latin excita. It was taken as an indicator that it was time to make (i.e. stir up) Christmas puddings.