Step 1: Role of Prosecutor
A prosecutor is a legal representative of the government who brings charges and conducts prosecution against the accused in criminal cases.
Step 2: Explanation of other terms
- Plaintiff is the person who initiates a lawsuit in civil cases.
- Lawyer is a general term for legal professionals.
- Appellant is someone who appeals a court decision.
Thus, the person who takes legal action on behalf of the state in criminal cases is the Prosecutor.