Martyr

...chooses to suffer death rather than deny Jesus Christ or His work

From the Greek word for "witness"

...bears testimony to the truth of what he has seen or heard or knows, as in an eyewitness in a court of justice

...could be called a "Jesus Freak"

...sacrifices something very important to further the kingdom of God

...endures severe or constant suffering for their Christian witness

Which definition is most significant to you and why?

In your own words, define the word "Martyr."