Turncoat

Tom is a turncoat.

Meddle in your own matters, you turncoat.

Our military is led by a turncoat who cannot be trusted.

But some will cry Turncoat, and rip up old stories, / How I always pretended to be for the tories: […]

Federal prosecutors say that in addition to turncoat witnesses, they are armed with secretly recorded conversations made in the Camden, N.J., office of Mr. Stanfa's lawyer, Salvatore Avena, who has also been indicted on racketeering charges.

The opposition members chanted slogans against the turncoats and termed the speaker’s attitude as partial. To them the speaker was promoting 'lotacracy' in the province, prompting them to chant 'go Speaker go', and 'lota speaker'.