A subscriber in Wordpress.

One of the great assets of Wordpress is that you can allow visitors to subscibe to your site and / or you can add users and assign them a specific role (like author, editor, administrator)

To allow your audience to register on your website you must allow this in the settings of your Wordpress site. Just make sure to assign the lowest role (subscriber). You can always change roles later, if needed.

To do so go to your wordpress dashboard > settings

It looks like this:

You can also add a user and assign a specific role.

To do so go to your Wordpress dashboard > users and add New

It looks like this:

better place a link to your login page, to invite people to register