Answer:
The correct answer is - law enforcer.
Explanation:
Law enforcer is a style of policing that is emphasizing on the acts on the violation of law and crime and arrests the threats and make actual arrests on breaking the law.
Checking underage teenagers for drinking asking for their ids and take them in custody if found underage is one of the examples of law enforcers. These are one of the four types of style of policing.
