The TL;DR version is: put it in a high-yield savings account while you decide exactly what to do with it. Meeting with a financial planner could also be a good option, but they can't tell you exactly how to manage your money. You'll have to decide what financial goal you want to reach. Retirement? Pay down debt? Invest?
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .