While it is helpful knowing how to block someone on Snapchat, you may perhaps worry about the other person knowing that you have blocked them.
Snapchat, by default, doesn’t send any message actively telling the other person you have blocked that you have blocked them; the only way the blocked person can know that you have blocked them is when they cannot find your profile picture, matter what they do.
Also, you will disappear from their contact list, making it even more apparent that you might have blocked them. But otherwise, the telltale signs Snapchat does not inform the user that they have been blocked.
If the person you are looking to block is not on your friend, you can do the following steps below to learn how to block someone on Snapchat without adding them: