invader; trespasser; infringer
Refers to a person or entity that violates rights, property, or territory. Often used in legal, property, and rights contexts.
He was arrested as a trespasser for entering private property.
Copyright infringers will be held legally responsible.
違反者 is a broader term for someone who breaks rules or laws, not necessarily involving invasion or infringement.
Compound of 侵害 (infringement, violation) and 者 (person). The exact historical derivation is uncertain, but the kanji composition transparently conveys the meaning.