I am not an expert in any way, and I have no idea how to get round the problem with the psw per see, having said that, if there were no other choices what I would do would be to create a new database, and import the tables used in your database TARGET 'newtables [=table name]' and then copy and paste the layouts. That still leaves the problem of scripts though ...
Not much of a help I know, but the best i can suggest
...and the former employee either doesn't remember or is unwilling to share it.
If you prefer the brass knuckle approach. I suspect that your former employee can be held legally liable for not supplying the password. A threatening letter from the company lawyer might just cure the memory loss.
We're a non-profit religious organization, so probably won't take the legal approach.
What are your current privileges? You say you are logged in - do you have access to any of the following menu commands:
File > Define > Accounts & Privileges…
File > Change Password…
File > Export Records…