also: にんとく
noun
personal virtue; natural goodness
Refers to a person's inherent moral character or virtuous qualities that earn respect and trust from others.
彼は人徳があるから、みんなに慕われている。
He is well-liked by everyone because of his personal virtue.
人徳のないリーダーは長続きしない。
A leader without personal virtue won't last long.
Compound of 人 (person) and 徳 (virtue). The reading じんとく uses the on'yomi of both characters, while にんとく is a less common variant reading.