how to run share point context as admin access (or) "Run with Elevated" privileges using Rest API

We can create one group on site, give full access permission to that gorup  on site.

Add specific user and fetach data from that group. 

Or check the below link.

https://social.technet.microsoft.com/Forums/en-US/186a7458-6565-4dd9-89d6-f169c1c00122/rest-api-for-sharepoint-online-with-elevated-privileges?forum=CloudSSA