TheSettings : Users page contains the information relating to a users that are assigned to the vessel in one capacity or another. For crew this includes:
Position
Watchkeeper status
Admin permission status / none.
Whether or not they receive non compliance notifications
Start date
Contract status
Edit or assign a termination date.
Important to know
Only if you have 'Admin' level permission status, will you be able to edit any of the information found on the Crew page.