97294434_Linux_useradd_Command_Examples__Option_Description
[Short Option] -e [Long Option] –expiredate EXPIRE_DATE [Option Description] 
The date on which the user account will be disabled. The date is specified in the format YYYY-MM-DD. If not specified, useradd will use the default expiry date specified by the EXPIRE variable in /etc/default/useradd, or an empty string (no expiry) by default.
5 UNIX / Linux useradd Command Examples
Option Description