martyr
1. mar.tyr \'ma:rt-*r\ \.ma:rt-*-r*-'za--sh*n\ \'ma:rt-*-.ri-z\ n [ME, fr. OE, fr. LL, fr. Gk martyr-, martys, lit., witness; akin to] L memor mindful 1: one who voluntarily suffers death as the penalty of witnessing to and re fusing to renounce his religion 2: one who sacrifices his life or something of great value for the sake of principle 3: a great or constant sufferer - mar.tyr.iza.tion n 2. martyr vt 1: to put to death for adhering to a belief, faith, or profession 2: to inflict agonizing pain upon : TORTURE
Webster's English Dictionary