Bloodsucker and Pest

Bloodsucker noun - A person who is supported by or seeks support from another without making an adequate return.

Pest and bloodsucker are semantically related in animal topic. In some cases you can use "Pest" instead a noun "Bloodsucker".

Pest noun - A widespread disease resulting in a high rate of death.

Bloodsucker and pest are semantically related in animal topic. You can use "Bloodsucker" instead a noun "Pest".