Antonyms for the phrase "jumping one's case" would include phrases such as "giving someone space", "respecting someone's boundaries", and "avoiding confrontations". When someone jumps another person's case, they are often being critical or judgmental without understanding the full situation. Antonyms for this behavior would involve giving others the benefit of the doubt, being less reactive, and allowing them some breathing room. It's important to recognize when we're jumping someone else's case and try to avoid doing so, as it can be hurtful and erode trust in relationships. By practicing empathy and understanding, we can create more positive interactions with others.