Possible Clues:

• Well-armed animal?
• Sucker-armed swimmer
• A month to work an army threat?
• Creature suggested by this puzzle's circled letters
• Organisation with widespread influence found at sea
• Ink dispenser?
• Month going to work for person with widespread influence
• Month needed on musical work - something from La Mer?
• Work for the autumn in the sea?
• About to enter work for pernicious organisation