Related Clues:

• With reference to
• This gets a support, so it gets back, while we're on the subject
• While we're on the subject, that gives support, so it's up
• While on the subject of what makes one a poor sap
• It's to the point of support, so it gets up (7)
• It gives support, so it turns while we're on the subject
• While we're on the subject of support, so it's back
• This gives one support as it applies
• With reference to, concerning
• Relevant article for petty officers
• A rugby player turns up, so accepted as fit
• Stay on the large side after a fit
• Poor sap (anag) - to the purpose
• Incidentally - pertinent
• To the purpose