Which protects person who is at fault in an accident against lawsuits when someone injures?

The legal principle that protects a person At Fault in an accident from lawsuits is known as "sovereign immunity" or "qualified immunity," depending on the context. In many jurisdictions, liability insurance also plays a critical role, as it can cover legal costs and damages up to certain limits. Additionally, some states have "comparative negligence" laws, which can reduce the liability of the at-fault party based on the degree of fault assigned to each party involved in the accident.