stabber
/ˈstæbər/Definitions
1. noun
A person who habitually or repeatedly stabs others, often in a violent or aggressive manner.
“The police were looking for the stabber who attacked multiple people at the nightclub.”
2. noun
A person who stabs animals, especially in the context of animal cruelty.
“The animal welfare organization was working to catch the stabber who had been torturing the abandoned dogs.”