-Do a complete background check
-Give them trails to complete
-make them fill out a form, and make them tell truth
These are the only things I could think of, hope this helps you ♥︎
D. Discrimination and injustice cannot exist where the rights of the individual come first.
Slavery
"was laughed at and made out fun on account of his look and the sound of his voice.
Well, unregulated power can lead to greed and zero mercy for those within your peasant realm. Great unhealthy amounts of cruelty, and etc.