martyr

nouns

one who suffers for the sake of principle
is derived from
is derived from
one who voluntarily suffers death as the penalty for refusing to renounce their religion
is derived from
is derived from
is a type of (narrower)
an unfortunate person who suffers from some adverse circumstance

verbs

kill as a martyr
"Saint Sebastian was martyred"
is a type of (narrower)
cause to die; put to death, usually intentionally or knowingly
"This man killed several people when he tried to rob a bank"; "The farmer killed a pig for the holidays"
torture and torment like a martyr