Why this word is great
FEDAYEE — [Noun] A guerrilla fighter historically specific to Armenian partisans of the late Ottoman Empire or to Arab, particularly Palestinian, commandos, defined by a conscious ethos of self-sacrifice. From the Arabic فِدائِيّ (fidāʾiyy), from فِدَاء (fidāʾ, "ransom, redemption"), literally meaning "one who sacrifices himself". Unlike "guerrilla"—a tactically descriptive, secular term—or "martyr"—a title conferred posthumously—the fedayee is the lived identity of one who moves through the world already ransomed to a cause, his life a currency spent in advance. He is the shadow flitting across a moonlit mountain pass, the static-crackled oath sworn in a safe house, the weary hand cleaning a weapon in a tunnel; a man living definitively in the shadow of his own potential death, walking the earth with the terrible freedom of the already departed.