Jaqen H'ghar Discord Profile Picture

It speaks for itself.

To upload and use Discord Pfps you need to login to Discord.

To upload and use the Jaqen H'ghar Pfp you need to go to the "user settings" page, under the second tab called "user profile" you should see an option to upload an avatar or change bio.

You should click "change avatar" then select the image you just downloaded from this website.