What is another word for buster?
Pronunciation: [bˈʌstə] (IPA) 
The term "buster" has a few synonyms that can be used depending on their context. It could mean a person who breaks things or a rogue, in which case "destroyer" or "vandal" could be a suitable option. For someone who is good at finding or solving problems, "problem solver" or "expert" is a good alternative. A "buster" can also refer to someone who puts an end to something, in which case "terminator" or "finisher" can convey the intended meaning. Lastly, "buster" can be used to describe a person who is active and full of energy, and "dynamo" or "energizer" can capture this essence.
