In my experience, this person filed a lawsuit because you took the other side of something, if they are not recognized by borrowing money from you, not filed this lawsuit
In my experience, the person sued is because you took something of each other, if they do not recognize that you have to borrow money, not brought this lawsuit
In my experience, this person brought a lawsuit, because you took the other"s something, if they do not admit that there is to borrow money from you, not to mention the lawsuit