Wiktionary
lockpicker
n. A person or device that lockpicks or picks locks.
Usage examples of "lockpicker".
She was no more a gymnast than she was a lockpicker, and she would have to stand on something to get back out.
On the walls were pasted aged clippings about the proprietor's exploits in the old days when he was allegedly a ranking lockpicker, screwsman, grifter, and smuggler.