The word 'moraliser' can be replaced with various synonyms to convey the same meaning, including 'preacher', 'moralist', 'lecturer' and 'sermoniser'. These words all refer to individuals who attempt to impart moral values or principles onto others through persuasive speech or writing. Other synonyms for 'moraliser' include 'propagandist', 'teacher' and 'advocate'. In essence, the word 'moraliser' denotes a person who seeks to promote some sort of moral instruction or message, often with the intention of changing or improving the behaviour of others. The use of synonyms can often add nuance and detail to any written or spoken communication.