Is it illegal to berate someone verbally and antagonize them emotionally if they are currently undergoing counseling because of a danger committing suicide?

It depends on the jurisdiction. In general, it is not illegal to verbally berate or emotionally antagonize someone, even if they are undergoing counseling for suicidal thoughts. However, there are some exceptions to this rule. For example, in some jurisdictions, it may be considered a crime to intentionally cause someone emotional distress if they are already in a vulnerable state, such as someone who is suicidal. Additionally, some jurisdictions have laws against harassment, which may apply if the berating or antagonizing is persistent and severe. It is important to note that the specific laws governing this issue can vary significantly from jurisdiction to jurisdiction, so it is best to consult with a local attorney for specific legal advice.