"Shahid" is one of the moral concepts of the Islamic worldview that in the historical course of this term, different and sometimes conflicting interpretations are presented. The terms "Shahid" and "Shahid" in Arabic words and poetry mean the knowledgeable and witness, which is often used in the Qur'an and hadith. In jurisprudential sources, "Shahid" is used to refer to transactions and contracts witness; however, "Shahid" only refers to those who have died on the battlefield. The latter use has become so popular among Muslims that its conception has led to a narrow interpretation of some verses and hadiths. Using a Qualitative method by content analysis, the present article examines the historical course and evolution of the meaning of Shahid in terms of terminology, commentary, hadith, and jurisprudence and tries to present the concept of Shahid in different areas by the separation of concepts in different fields to provide an accurate interpretation of the contexts.