Related Clues:

• One in line to be a queen?
• Torso
• Type of builder
• Whodunit discovery
• Patsy
• It can only go forward
• Least valuable chess piece
• Puppet
• One might be promoted
• King's frontman
• Recipient of a promotion
• See 69-Across
• Expendable chess piece
• Knight's neighbor
• Kind of builder