Discrediting
Discrediting refers to the act of causing harm to someone's reputation or credibility by casting doubt on their character, integrity, or abilities. This can be done through spreading rumors, misinformation, or false accusations in order to undermine trust and confidence in the individual. Discrediting can be a deliberate tactic used to discredit someone's achievements, opinions, or actions in order to diminish their influence or credibility in the eyes of others.