In this context, "professional cousin" is a metaphorical term used to emphasize a close relationship between two concepts or principles in a professional context. The phrase "professional cousin to" suggests that "support" and the four criteria listed ("Is it true, is it kind, is it necessary, is it helpful?") are closely related or interconnected in the realm of professional communication and behavior.

ممارسة مهنية شبيهة/نهج مهني مشابه/مبدأ مشابه في بيئة العمل/مبدأ مهني مألوف