
1) Railway occupation
Found on
https://www.crosswordclues.com/clue/secondman

A Secondman or Second man is a railway employee who assists the driver of a train with his duties. For this reason the term driver`s assistant is also used. In this role the second man could learn the duties of the driver and on passing the relevant tests and examinations become a driver himself. With the ending of steam traction on many railways....
Found on
http://en.wikipedia.org/wiki/Secondman
No exact match found.