/ɪˈliːɡəl ˈmaɪɡrənt/ – Phrase
Definition: Người di cư bất hợp pháp.
A more thorough explanation: a person who moves from one country to a different country illegally to live or work there, and who has no legal right to be in that country
Example: Many illegal migrants from Honduras are kidnapped on their way to the US.