Social advocacy is a systematic and organized effort to influence and bring about change, by providing support and defense for the less powerful (weak) towards those who are victims of policies and injustice. One of the problems that requires social advocacy is the problem in the world of football where this incident is in the world spotlight. This research uses a qualitative method with a descriptive type. The subjects in this research are members of the thorough investigation community, people who understand the Kanjuruhan tragedy. The data collection techniques used in this research used observation, interview and documentation techniques. The techniques used in this research are data reduction and data presentation and drawing conclusions. The results of this research are the social advocacy carried out by this thorough investigation community in fulfilling the rights of victims and families of victims of the Kanjuruhan tragedy, including seeking justice in the form of peaceful actions, raising donations in the form of seeking donations on the streets and on social media, and mental health support. in the form of establishing a mental health support post in the KNPI Malang building
