Do you want to block someone on the Google account? Well, you can easily do it by making the changes given below.
1. first of all, you need to go to the accounts.google.com
2. Now sign into your google account.
3. here, you need to click on the people and sharing.
4. Now click on the blocked button.
5. Here, you need to enter the persons email address.
6. press the block option now.

Finally, the sender will be blocked on your Google account. in case, if you want to block someone on the Gmail only, you need to visit: How to block someone on Gmail account? How to unblock someone on Gmail account?