What is "mu'min"

n. One who has iman; a believer in Islam

Muʾmin is an Arabic Islamic term, frequently referenced in the Quran, it can be used as one of the names of God in Islam, meaning "The Granter of Security", but also, it can be used for people, meaning "believer",. It denotes a person who has complete submission to the Will of Allah and has faith firmly established in his heart, i.e. a "faithful Muslim". The term Mu'mina (مؤمنة) is used to identify a female that has a higher degree of faith in Islam.