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”