/ˈækʧuəl duːər/ – Phrase
Definition: người có hành vi phạm tội.
A more thorough explanation: The legal English definition of the term “actual doer” refers to a person who directly commits or performs a particular act or offense, as opposed to someone who may have aided, abetted, or otherwise assisted in the commission of the act. The actual doer is the individual who physically carries out the actions that constitute the offense in question.
Example: The actual doer of the crime was identified through forensic evidence.