In order to get to the water, you need to work hard to remove all the collected dirt etc. to reveal the well in the Jew, his נשמה
Since his name is יצחק he should be digging spiritual wells reveling the נשמה of another Jew
First when you have to help someone else it will help did your own well. Second you may be the one to touch that other person so you cannot wait for you to be ready