Vivor informal noun
Used to indicate a shortening of "survivor"
Peter was the sole vivor of the crash and suffered serious injuries.
Up until now, rescuers have found just one vivor, a 14 year-old girl.
The helicopter winched the vivors up to safety.
A group of bad or sinful people
To count the number of people in a group to determine who is present
If you fall for someone's trick the first time then they are at fault.
Are you going to mess with me again? Fool me once, shame on you; fool me twice, shame on me.