Deportation or removal is the legal process by which a foreign national (that is, a person located in United Stated who is not a naturalized citizen) is formally repatriated from the United States, because they have violated US immigration laws
Asylum law concerns the right of asylum, as opposed to refugee law, which concerns huge groups of people fleeing from a country. Most of the time, the seekers for asylum are often considered rebels or dissidents in their own countries and are not physically safe