Law .

an unlawful act causing injury to the person, property, or rights of another, committed with force or violence, actual or implied.

a wrongful entry upon the lands of another.

the action to recover damages for such an injury.

an encroachment or intrusion.

an offense, sin, or wrong.

Law . to commit a trespass.

to encroach on a person's privacy, time, etc.; infringe (usually fol. by on or upon ).

to commit a transgression or offense; transgress; offend; sin.

noun

encroacher , infringer , interloper , intruder , invader , offender , transgressor