An immigration officer cannot arrest you without “probable cause.
The Fifth Amendment gives every person the right to remain silent and to refuse to answer questions from police officers and government agents. This means that you do not have to answer questions about immigration or citizenship status with the police, immigration agents, or other officials.
주인이 협박을 하고 있군요. 경찰서에 가서 주급받으세요. 그 주인 역시 불법을 저지르고 있다는 점 인식하고 있을겁니다.