A more thorough explanation:

Definition: An accuser is a person who accuses another of a crime. This term is commonly used in legal and ecclesiastical contexts.

Example: In a court of law, the prosecutor is the accuser who presents evidence against the defendant to prove their guilt.

Explanation: The example illustrates how an accuser is a person who brings charges against another person in a legal setting. The prosecutor is responsible for presenting evidence and making arguments to convince the judge or jury that the defendant is guilty of the crime they are accused of.

Example: In an ecclesiastical court, a member of the congregation may act as an accuser against a church leader who is accused of wrongdoing.

Explanation: This example shows how an accuser can also be someone who brings charges against a religious leader or member of a congregation in an ecclesiastical court. The accuser must meet certain qualifications, such as not having been convicted of a crime or excommunicated, to be eligible to bring charges against another person.