vulture

Short definition from Wiktionary

Noun

1. 1
   Any of several carrion-eating birds of the families Accipitridae and Cathartidae.
2. 2
   A person who profits from the suffering of others.

Verb

1. 1
   To circle around one's target as if one were a vulture.

Adjective

1. 1
   ravenous; rapacious