pukki kaalimaan vartijana

Etymology
Literally, “a billy goat guarding a cabbage patch.” Compare 🇨🇬, 🇨🇬.

Noun

 * 1)  fox in the henhouse, fox guarding the henhouse someone untrustworthy placed in a position of trust in which they will be harmful, damaging or detrimental to benefit themselves

Usage notes
The verb of placing someone as the "billy goat to guard a cabbage patch" uses the translative case for instead of the essive case:

Declension
See.