To care for; to keep safe.
To follow with the eyes; to look in the direction of (someone or something departing).
To seek out, to look for.
To have as one's business; to manage, be responsible for.
To intentionally inflict severe pain or suffering on (someone).
The intentional causing of somebody's experiencing agony.
The "suffering of the heart" imposed by one on another, as in personal relationships.
(often as "absolute torture") Stage fright; severe embarrassment.