To search for something; to rummage.
To search for gems, gold, etc., on the surface or in abandoned workings.
To be troublesome.
To elicit information; to ferret out.
To seek out, to look for.
To follow with the eyes; to look in the direction of (someone or something departing).
To care for; to keep safe.
To have as one's business; to manage, be responsible for.