The term 'Fighter for a Cause' can be summarized as a CRUSADER, which is an 8-letter word. A CRUSADER is someone who fights for a cause they believe in, often taking a stand against injustice or inequality. They are passionate about their beliefs and will go to great lengths to make sure their message is heard. Crusaders are often seen as brave and determined individuals who are willing to put themselves in harm's way in order to make a difference.