To cause harm to a benefactor (especially one that one is dependent on, thus with the idea that this behaviour is self-damaging).
To criticize or speak out against (someone or something); to point out as deserving of reprehension, etc.; to openly accuse or condemn in a threatening manner; to invoke censure upon; to stigmatize; to blame.
To claim the right of working a mine that is abandoned or insufficiently worked.
To make a formal or public accusation against; to inform against; to accuse.
To announce the termination of; especially a treaty or armistice.