Ruling on being friendly towards someone who is drinking alcohol, and pouring his drink for him

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Helping someone to buy alcohol and other haraam things
How can he enjoin what is good and forbid what is evil with regard to his father who is older than him?

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Helping someone to buy alcohol and other haraam things
How can he enjoin what is good and forbid what is evil with regard to his father who is older than him?

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