Possible Clues:

• Austere character like vinegar hiding a saint
• A silk will simply get one in etcetera
• Self-denying, often for religious reasons
• A doubter, not quiet self-denying type
• Like some monks
• Hermit, one who practises self-denial
• An abstemious barrister will quote this the wrong way
• One practices self-denial as a spiritual discipline
• Mortifying the flesh, like Scottish players left out
• Austere as a penniless person full of doubt