侵入

to make (military) incursions / to invade / to intrude into / to trespass / to gain unauthorized access (computing)

to invade / to encroach / to infringe / to approach

to enter / to go into / to join / to become a member of / to confirm or agree with / abbr. for 入聲|入声[ru4 sheng1]

housebreaker / burglar

intrusive rock

invasive (e.g. disease or procedure)

intruder / invader