彼は職権を乱用する。

tbd

He abuses his authority.

課長は職権を乱用することが好きなようだね。

tbd

The section chief seems to like abusing his authority.

このテレビドラマの警官は職権を乱用する汚職警官みたいです。

tbd

It seems that the policeman in this TV series is a dirty cop who abuses his authority.