Question: What’s the difference between 꾸러기, 쟁이 and 꾼? They tend to refer to someone doing a particular thing frequently.
You’re quite close to the actual meaning.
Before we explain, note that you should use these words to friends or someone younger than you. 꾼 especially has the feeling that you’re talking down to the person.
To use these words, you’ll usually add an action or something in front of them.
Learn the explanation and some examples in this short 2 minutes video: