Open Facebook and go to your group
Click Members or People
Find the person you want to make a moderator
Click the three dots next to their name
Select Make Moderator
Confirm your choice
The person will receive a notification about the new role
Open Facebook and go to your group
Click Members or People
Find the person you want to make a moderator
Click the three dots next to their name
Select Make Moderator
Confirm your choice
The person will receive a notification about the new role