champerty an unethical agreement between an attorney and client that the attorney would sue and pay the costs of the client's suit in return for a portion of the damages awarded; "soliciting personal injury cases may constitute champerty"
criminal maintenance,
maintenance the unauthorized interference in a legal action by a person having no interest in it (as by helping one party with money or otherwise to continue the action) so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community; "unlike champerty, criminal maintenance does not necessarily involve personal profit"
wrongdoing -
departure from what is ethically acceptable