Customary (adjective)
رسمی، رواجی
according to the customs or usual practices associated with a particular society, place, or set of circumstances.
Example: “it is customary to mark an occasion like this with a toast”
Unscrupulous (adjective)
بے ایمان، بے اصول
having or showing no moral principles; not honest or fair.
Example: “unscrupulous landlords might be tempted to harass existing tenants”