危き険けん分ぶん子し

noun

dangerous element; high-risk person

Refers to a person regarded as a threat to safety, order, or security, often in political, criminal, or organizational contexts.

• 警けい察さつはその危き険けん分ぶん子しを厳げん重じゅうに監かん視ししている。

  The police are keeping a close watch on that dangerous element.