We can create the multiple ftp user for single home directory with the same ownership and permission.

How to Configure the  FTP server.

Than Put the below the commands:-

Example the user in same directory in /etc/passwd file in linux

bhandari:x:1001:1001::/var/www/html:/bin/nologin
surender:x:1002:1002::/var/www/html:/sbin/nologin (give the like this below the command) 

[root@bhandari ~]#useradd -s /sbin/nologin -d /var/www/html surender
[root@ip-172-31-16-202 ~]# passwd surender
Changing password for user surender.
New password:
BAD PASSWORD: The password fails the dictionary check - it is too simplistic/systematic
Retype new password:
passwd: all authentication tokens updated successfully.

Note:-  This user (surender) not create,upload,delete the files and folder in /var/www/html directory if you want to create and upload the permission below the command. 

[root@bhandari ~]# setfacl  -R -m u:surender:rwx /var/www/html surender

Note :- If you  want to give the only read permission to other user below the command.

[root@bhandari~]#useradd -s /sbin/nologin -d /var/www/html test

[root@bhandari ~]# setfacl  -R -m u:test:r /var/www/html test