feather your own nest
US /ˈfɛðər jʊər oʊn nɛst/
UK /ˈfɛðər jʊər oʊn nɛst/

1.
encher os próprios bolsos, aproveitar-se da posição
to use your position or job to get money or other advantages for yourself, especially in a dishonest or unfair way
:
•
The politician was accused of feathering his own nest by awarding contracts to his friends.
O político foi acusado de encher os próprios bolsos ao conceder contratos aos seus amigos.
•
She was fired for trying to feather her own nest at the company's expense.
Ela foi demitida por tentar encher os próprios bolsos às custas da empresa.