suru verb (irregular), transitive verb
use for personal gain; misappropriate; embezzle
Transitive use: using public property, funds, or authority for one's own benefit. Often implies corruption or self-dealing.
彼は公金を私した疑いで逮捕された。
He was arrested on suspicion of embezzling public funds.
政治家
Politicians must not use their power for personal gain.
suru verb (irregular), intransitive verb
act selfishly
Archaic intransitive use: behaving in a self-centered way. Rare in modern Japanese; the transitive sense is far more common.
古い文献では、「私する」が利己的に振る舞う意味で使われることがある。
In old texts, 私する is sometimes used to mean acting selfishly.