Since this accuser is not directly involved in politics, we can safely assume the "Perjury Trap Blues" is
being orchestrated by political insiders like Pelosi, Chuck Schumer, the DNC, and other midterm dreamers.
If "political gain" qualifies, the perpetrators and principles of this scripted "midterm stagecraft," would meet the definition of blackmail perfectly.
we need to determine if Democrats are raising campaign money on this, then political gain would probably qualify as meeting the definition of criminal blackmail.