pàn​biàn

defect

叛变 (叛變) pàn​biàn
defect verb
to betray one's allegiance to a country, party, or organization by going over to the enemy

During that political crisis, some high-ranking officials chose to defect to the enemy.

mutiny verb
to engage in an organized revolt or insurrection against military or governmental authority

Due to a prolonged lack of supplies, some soldiers staged a mutiny at the border.

Frequency

Movie subtitles
4.32 per million appears in 1% of films
Written text
1.07 per million

Sources

Definitions
CC-CEDICT