Possible Clues:

• Grounded, firmly fixed
• Fixed in one place, as well as being without a job
• It's held to be in port
• Fixed to the spot, like ship
• Joiner keeping job, held down
• And it's about the task to have kept 9 down from moving in 24 across
• Having an uninteresting job, daughter is unable to move
• Not going anywhere
• Cockney worker accepting dull job fast
• In immovable position, with job secured