noun
good management; good manager
Abbreviation of 善良な管理 (zenryō na kanri). Refers to diligent, proper management or a person who manages well. Commonly used in legal terms like 善管注意義務 (zenkan chūi gimu, duty of care of a good manager).
取締役は会社に対して善管注意義務を負う。
Directors owe a duty of care of a good manager to the company.