If you don't want certain people to see your LinkedIn profile, you can block them. It's easy to block someone on LinkedIn, and you can do it on both desktop and mobile. Here's how.
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How to Block Someone on LinkedIn on Desktop
On a Windows , Mac, Linux, or Chromebook computer , use the LinkedIn website to block a user.
To get started, open a web browser on your computer and launch the LinkedIn website. Log in to your account, then open the profile of the user you want to block.
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On the user's profile page, below their profile information, click the “More” button.

In the “More” menu that opens, click on “Report/Block”.

A “Report” window will open. Here, click “Block.”

Confirm your choice by clicking “Block” in the lower right corner of the window.

And that's it. The selected LinkedIn user is now blocked from your account and can no longer view your profile.
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How to block someone on LinkedIn on mobile
On an iPhone, iPad, or Android phone, use the official LinkedIn app to block people.
To do this, first open the LinkedIn app on your phone. Then, access the profile of the person you want to block.
On the user's profile screen, next to "Message", tap the three dots.

From the three-dot menu, select “Report or Block.” You may need to scroll to see it.

On the “Report” screen that opens, at the bottom, click “Block”.

Confirm your choice by clicking "Block" at the bottom of your screen.

And the process is complete. LinkedIn has now blocked the selected user on your account.
How to unblock someone on LinkedIn
If you want to unblock a blocked LinkedIn user, go to the list of blocked people on the site and select the user to unblock.
Start by opening the LinkedIn website in a browser on your computer. In the top right corner of the website, click Me > Settings & Privacy.

From the sidebar on the left, select “Visibility”.

At the bottom of the “Visibility of Your Profile & Network” section on the right, click “Blocking.”.

You will see a list of blocked users. To unblock someone, find that user in this list and click “Unblock” next to their name.

In the message that opens, click the “Password” field and enter your LinkedIn password. Then click “Unblock Member.”.

Information source: howtogeek.com
