"Ne'er do well" is a term used to describe someone who is lazy, unproductive, or has a tendency to cause trouble. Often used in a disapproving manner, this term can also be seen as derogatory. If you want to find other words to describe this type of person, there are many synonyms to choose from. Some alternatives include slacker, layabout, good-for-nothing, loafer, idler, bum, and no-account. These words can help you convey the same idea as "ne'er do well" without using a term that may seem offensive or outdated. Whichever word you choose, it's important to be respectful and mindful of others when describing their behavior.