Supply-___ (certain economic theorist)

• Sydney-___ (Australian demonym)
• In or out trailer
• Shoe brand Top- ---
• Partisan
• East- ____: certain city dweller
• East _____ (Manhattan resident)
• East, West or in
• East or West follower

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Sider \Sid"er\, n. One who takes a side.