This is the 9603rd most frequent Russian word.
хищник
Predator.
Here, 'хищник' refers to a predatory animal in its ecological role.
На поляне появился хищник, охотящийся за своей добычей.
A predator appeared in the clearing, hunting its prey.
In this sentence, 'хищник' is used metaphorically to describe a person with aggressive and opportunistic behavior.
В деловом мире он хищник, всегда выбирающий наилучшие возможности.
In the business world, he is a predator, always choosing the best opportunities.
The word 'хищник' here is the title of a work, referring to an alien character.