Word: prisoner
Noun A person incarcerated in a prison, while on trial or serving a sentence.
Word: revenge
Noun Any form of personal retaliatory action against an individual, institution, or group for some perceived harm or injustice.
Verb (reflexive) To take one's revenge (on or upon) someone.
Verb To take revenge for (a particular harmful action), to avenge.
Verb (archaic) To take vengeance; to revenge itself.