A sadist is a person who gets pleasure out of giving pain to others. Given below are some dictionary definitions of certain kinds of persons. Find out the words that fit these descriptions. i. A person who considers it very important that things should be correct or genuine e.g. in the use of language or in the arts: P... ii. A person who believes that war and violence are wrong and will not fight in a war: P... iii. A person who believes that nothing really exists: N... iv. A person who is always hopeful and expects the best in all things: O... v. A person who follows generally accepted norms of behaviour: C... vi. A person who believes that material possessions are all that matter in life: M...