A person who carries out an assassination; often someone who kills a target for political or hired reasons.
ニュースは逃走中の暗殺者の特徴を公開した。
The news released the description of the assassin who is on the run.
歴史上、多くの暗殺者が政治的目的で行動してきた。
Throughout history, many assassins have acted for political purposes.
彼は暗殺者を演じる俳優として知られている。
He is known as an actor who plays assassins.