Chofetz Chaim Daily 13 Cheshvan 4:5 If the person you saw doing the aveira isn’t wholesome, won’t accept your rebuke & is likely to repeat the sin, you may tell someone who can influence him to repent. If two people saw, they may tell Beis Din to rebuke him. 4:6 You may tell that influencer, even if he may leak info to others.
Chofetz Chaim Daily 12 Cheshvan 4:3 If you see an average Jew doing something wrong, even many times, you must assume it was a mistake or that he didn’t know it was wrong. 4:4 Even if one is sure that subject KNEW it was wrong, asur to tell. Maybe he did teshuva. Instead you should rebuke him privately and nicely.
Chofetz Chaim Daily 8 Cheshvan 3:3 Asur to degrade someone even if said as a joke. 3:4 Asur to say anonymous story, if the listener will be able to discern who its about. Asur to cause a negative impression about somebody.
Chofetz Chaim Daily 5 Cheshvan 2:11 When a community board holds a private vote e.g. to decide whether or not to rehire the chazzan, the voters must NOT relate their own OR others opinions, even if it was positive, because that will inevitably shift the blame on the other voters.
Chofetz Chaim Daily 6 Cheshvan 2:12 Asur to degrade a speech that someone gave. If you think he should brush up his act, tell him privately. 2:13 If someone related a business idea in front of three people, you may repeat it, because he obviously isn’t trying to keep it private.