Should he denounce evil and remind people to stop it every time it happens?

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Check below answers in case you are looking for other related questions:
Ruling on gathering to eat, offer condolences and recite Qur’aan together
Is it necessary in order to denounce evil that it be removed completely, or is it sufficient to reduce it

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Related Answers:
How should he deal with his sisters who do not wear full hijab?
Can denouncing evil only be done with the permission of the ruler?
Destroying a place of evil without anyone knowing
Ruling on gathering to eat, offer condolences and recite Qur’aan together
Is it necessary in order to denounce evil that it be removed completely, or is it sufficient to reduce it

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