Studying law usually indicates a preciseness in language [edited by Moderator.]. You ask about a different type of visa which suggests that you already hold a visa and you then go on to say that you have an ESTA which is not a visa and indicates that you are using the VWP. Which is it? What is your citizenship? It is highly improbable that you will be able to follow your plan Non payment is irrelevant. You need authorization to work which based on the very limited information you have provided is unlikely to be forthcoming.