Aim of forbidding Evil and its obligation and Khalafat in simple words

Aim of Nahi Anil Munkir is helping other. Aim is not of pointing other errors or fighting or degrading other.Aim is simply helping your brother which is fard on us.. I wonder why some jamats like tableghi jamat fear to help their brothers

Allah's Apostle said, "Help your brother, whether he is an oppressor or he is an oppressed one. People asked, "O Allah's Apostle! It is all right to help him if he is oppressed, but how should we help him if he is an oppressor?" The Prophet said, "By preventing him from oppressing others."

Sahih Bukhari

"Believing men and believing women are protecting friends of one another; they enjoin what is right and forbid what is wrong; they perform salat and give zakat..."

(9:71)

Establishing System that implments Amar bil Maroof Wa Nahi Anil Munkir is Khalafat:

"Those who, if We establish them in the land (with authority), establish regular prayers and practice regular charity and enjoin the right and forbid the wrong..."

Quran 22:41

Peak of Nahi Anil Munkir is Khalafat. A System which forbids evil and enjoin good and creates such enviorment which makes our life easy in a way that doing EVIL would become difficult and doing good would become easy..Like system of democracy has make hilal dificult and haram easy..Living without sood has become impossible,Zina has become easy and mariage has become difficult, you cannot save yourself from social coruption lik Fahashi,music. You are policeman or clerk or just a comon man..Life will become tought for you with out using rishwat,reference or anyother mean of coruption

"You are the best community ever brought forth for mankind (in that) you command the proper and forbid the improper and believe in God."
(3:110)

( we are best community because we have the instruction manual /guide (Quran)+ exmple(seerah) which just only tell which is evil and what is gud but also tels which steps we have to take to implment it)

Thus We have made you a middle community, so that you be witnesses for mankind as the Messenger is a witness for you.
Quran 2:143

Muslims are the leaders of mankind like messenger was the leader of muslims.Now we have his guidance

When punishment of Allah come it also punish those who dont use to forbid evil

"When they ignored the warnings given to them, We rescued those who used to forbid wrong and visited the wrong-doers with a grievous penalty for the sins they used to commit."
Quran 7:165

And last warning for All who are helping and supporting evil

"After me there will come some people as rulers. Whosoever supports their lying and helps their oppression, he is not of me and I am not of him."

"Whoever pleases a ruler by saying what displeases Allah, he gets out of the religion of Allah."
Abu Dawud ,Tirmidi