Take note of what you find for later.
Adjust your linkedin privacy settings
https://www.linkedin.com/public-profile/settings
Check to see if you have your resume uploaded on job sites like Indeed with your email and phone number on it
Get a few clear photos of your face and upload them here, take note of what you find. For Google, use your profile photos to see if there is anyone pretending to be you online.
Guide To Using Reverse Image Search For Investigations - bellingcat
https://haveibeenpwned.com/Passwords