Related Clues:

• Replace, in a way
• Play the part of
• Perform the function of
• Substitute for
• Take the part of
• Let up on
• Take on the role of
• Have the role of
• Perform the duties of
• Lighten a burden or raise a seige
• Assuage, ease
• Take over work from someone
• Allay, alleviate
• Ease or take over from
• Free someone from duty by taking his place