/dɪˈfɛktə/ – noun
Definition: kẻ vượt biên (vì động cơ chính trị), kẻ đào ngũ.
A more thorough explanation: A defector is a person who has abandoned their allegiance or duty to a country, organization, or cause, typically by leaving and joining the opposing side or a different group.
Example: The government is considering granting asylum to the defector who provided valuable information about the enemy’s plans.