offender
词根词缀：
defend v. 保卫
de 加强 + fend 打击 → 保卫
defense n. 保卫
de 加强 + fens 打击 + e → 保卫
defenseless adj. 无防备的
defense 保卫 + less 无…的 → 无防备的
fend v. 抵挡，击退
offend v. 得罪
of〔= ob 加强〕+ fend 打击 → 一再打击〔别人〕→ 得罪
offender n. 罪犯；冒犯者
offend 得罪 + er 表名词 → 罪犯；冒犯者
offensive adj. 冒犯的
of 加强 + fens 打击 + ive …的 → 冒犯的
数据来源：新东方英语词汇速记大全
相关例句：
The Research of the Sex Offender's Registration and Information Disclosure in the United States
美国性犯罪者登记和信息披露法研究
The essay also discusses the properties of indirect accomplice, and distinguished indirect accomplice from joint offender.
本文还论述了间接正犯的性质，并对间接正犯与共犯的区分作了研究。
This juvenile offender received no more than a judicial slap on the wrist.
这名少年犯只被从轻处惩了一下。
He was a seven-time larceny offender but all he stole was a few boxes of ramen.
他犯了七次盗窃，但偷的只是几盒拉面。
Penal redress requires full compensation of the injured person as an instrument for punishing the offender.
刑事救济中所规定的对受害人进行的充分赔偿同时也是作为对行为人的处罚。
The authorities often know that sex offenders will attack again when they are released.
当局一般都知道性犯罪者在获释后往往会再次犯案。