The message that appears when a user is deleted in Spanish is not translated, it appears in English:
This "Are you sure you want to delete "UserA"?" sentence is in the "Orphaned.lng" file in the language resources, C:\Program Files\One Identity\Active Roles\7.4\Web\Public\LanguageFiles\1033:
However, if this sentence is translated to Spanish, it will appear in Spanish whatever the language is selected in the ARS WI.