warlord

1. N-COUNT If you describe a leader of a country or organization as a warlord, you are critical of them because they have achieved power by behaving in an aggressive and violent way. 军阀式领袖[表不满]

He had been a dictator and a warlord who had oppressed and degraded the people of the South. 他既是个独裁者，又是位军阀式领袖，压迫侮辱南方人。

...a drug warlord. ...一个毒枭。