Trespass
Part of speech: noun
Definition: (1290) sin Any of various torts involving interference to another's enjoyment of his property, especially the act of being present on another's land without lawful excuse.
Part of speech: verb
Definition: To commit an offence; to sin. To offend against, to wrong (someone). To enter someone else's property illegally.
Overstep
Part of speech: verb
Definition: To go too far beyond (a limit); especially, to cross boundaries or exceed norms or conventions.