People devoted to religious and charitable work are welcome to travel to the United States on a sponsored immigrant visa and can also obtain a green card as they qualify during their stay. Religious workers can be ministers, members of a non-profit organisation promoting the word of God through their services, or charitable causes. Such persons can be sponsored by registered non-profit or charitable organisations and invited to the US with the assistance of an experienced immigration practitioner in Miami as foreign nationals visiting the nation as non-immigrant, temporary employees.