a fish rots from the head down
Definition:  the failure of an organization is as a result of its leadership
Usage:  the tomato company had to pay a huge fine because the manager hired a bogus audit firm; to prove that a fish rots from the head down, this affected the salaries of all employees

SEPEDI
Translation:  hlapi e bola go tloga hlogong go ya fase
Proverb: kgoši ya hlotša balata re a hlotša

XITSONGA
Translation:  nhlampfi yi bola ku suka enhlokweni ku ya ehansi
Proverb: tiko ri onhaka ku suka ehosini

TSHIVENḒA
Translation:  khovhe i sina u bva ṱhohoni u ya fhasi
Proverb: vhokhotsi vho ḽa magaga, hadzila ḽa fara vhana