What do you call someone who is banned by law to leave their country? and What is the verb for banning somebody this way?

There are many occasions that law might ban someone from leaving a country. For example, in Iran, if a man's wife requests her dowry and the man refuses to pay and hides himself, she can use legal provisions to ban him from leaving the country. What is the verb in English to describe to ban someone from leaving a country via law because of a crime, etc. and what is called someone who has been given imposed this ban?


Here in the UK its commonly known as a travel ban or generally as exit restrictions.