How To Be Admin Of Any Facebook Page

This is very simple trick
Copy it and follow instructions
You should know the Admin Profile too....

https://m.facebook.com/pages/edit/admins/PAGENAME?update_status=1&admin_role=ADMINID&id=YOURFBID&_rdr

Change "PAGENAME" with victim page ID

Change "YOURFBID" with your facebook ID

Change "ADMINID" to admin id 

Send theURL to the victim

ask him to click on it and enter password 

If he did it then you will be admin of page and do what you want 
Id here means numeric id
At last you will be admin