One who curses someone in public, brings it on himself in private.
More Swahili Proverbs:
A cat can never he made to lie on its back.Swahili
Giving advice but no one listens.
Swahili
A reserve will not decay.
Swahili
The evil spirit of a man is a man.
Swahili
The child of lion is a lion.
Swahili
Hold him! Hold him! and you yourself after him.
Swahili