A person I know told me that there was a quarrel between two individuals and he intervened and ended the…

A person I know told me that there was a quarrel between two individuals and he intervened and ended the quarrel. However, he told me "I swear to you in the name of Abbas that you do not tell anybody." Then, I heard it from others and everybody talks about this quarrel. Do I have the right to speak about what happened without provoking sedition, where I heard it from others?