martyr
noun
°One who willingly accepts being put to death for adhering openly to one's religious beliefs; notably, saints canonized after martyrdom.
"Saint Stephen was the first Christian martyr."
°One who sacrifices his or her life, station, or what is of great value to him or her, for the sake of principle or to sustain a cause.
verb
°To make someone into a martyr by putting him or her to death for adhering to, or acting in accordance with, some belief, especially religious; to sacrifice on account of faith or profession.
°To persecute.
synonyms: shaheed, shahid, martyrize