1 to betray

1 to rebel

2 to revolt

1 armed rebellion

1 traitor

2 turncoat

3 rebel

4 renegade

5 insurgent

1 to rebel

2 to revolt

3 a rebel

1 to recruit surrendered enemy and deserters (idiom); to gather together a gang of villains

1 lit. people rebelling and friends deserting (idiom)

2 fig. to find oneself utterly isolated

1 to secretly plan treason (idiom)