https://www.dol.gov/agencies/whd/immigration/h1b1
https://www.foxbusiness.com/features/disney-workers-forced-to-train-their-foreign-replacements
edification |ˌedəfəˈkāSH(ə)n|
noun formal
the instruction or improvement of a person morally or intellectually: the idea that art's main purpose is to supply moral uplift and edification.
ORIGIN
late Middle English: from Latin aedificatio(n-), from aedificare ‘build’ (see edify) .