protagonist /prə- or prō-tagˈə-nist/

1. Orig the chief actor, character or combatant
2. Now often applied to any (or in pl, all) of the main personages or participants in a story or event
3. (loosely) a champion or advocate

• square-sails
• square sausage
• square shooter
• square shooters
• square shooting
• square-shouldered
• squarest
• square-toed
• square-toes
• square up
• square up to
• squarewise
• squarial
• squarials
• squaring
• squarings
• squaring the circle
• squaring the quadrature of the circle
• squarish
• squarrose
• squarson
• squarsonage
• squarsonages
• squarsons
• squash