Isaiah 12

In Isaiah 12:2 the prophet declares that the LORD is and has become "my deliverer." So just what did a deliverer look like in Isaiah's day? I remember that my first job was delivering papers. Was I carrying the paper to its destination or was I delivering the news to the customers?  When we define those traits of God we are led to the next question; what does God the deliverer look like today? So does God carry us somewhere or is he bringing something wonderful to his people?
Stuart