Hello Someone07 !

If these fields mean from UNA then it will be like (but this variant will work for Persons because ids and pictures fields are placed in the module's data table, see more details here https://github.com/unaio/una/wiki/User-Profiles ):

1) User table - bx_persons_data

2) Username field - fullname

3) User ID field - id

4) User avatar field - picture

5) Friends table - sys_profiles_conn_friends

6) Friends user ID field - initiator

7) Friends friend ID field - content

8) Friends check field - mutual