carpetbagging

Verb

carpetbag (third-person singular simple present carpetbags, present participle carpetbagging, simple past and past participle carpetbagged)

1. (US) To come to a place or organisation with which one has no previous connection with the sole or primary aim of personal gain, especially political or financial gain.
   • The Five Star Movement has long railed against carpetbagging, but for all of Ms. D’Alessandro’s efforts to seem of the place — talking about her childhood in Naples and showing the bar where she had her first date — she clearly isn’t.2018 February 23, Jason Horowitz, “Italy’s ‘Five Star’ Grows Up Into a Real Party, Scandals and All”, in New York Times

See all 3 meanings of carpetbag