The phrase "party people" refers to individuals who really enjoy going to parties and are enthusiastic about having a good time with others. Full definition
You can head out at any time of day or night and you will find 24 hour party people partying 24 hours a day if you know where to look. (hookupcloud.com)
When you meet with an accident due to the negligence of a third party person who is uninsured, the uninsured rider coverage acts as a layer of protection to the third party. (policybazaar.com)
This will provide you with protection if you are required to pay any compensation to any third party person for bodily injury or death or damage to property that arises out of building works. (finance4.net)