He who serves the people has a bad master.
More German Proverbs:
One bad eye spoils the other.German
Too many sacks are the death of the ass.
German
The wise person has long ears and a short tongue.
German
When the sack is full, it pricks up its ears.
German
While the pot boils, friendship blooms.
German
One crow does not peck out another's eyes.
German