1. people who place orders for goods or services
2. people who arrange things in a systematic way

Examples

• The restaurant staff struggled to keep up with all the orderers during the lunch rush.
• Online orderers can track their packages in real time.
• The company sent confirmation emails to all orderers within minutes.
• As natural orderers, they quickly organized the messy storage room.
• The orderers of the event made sure everything ran smoothly.
• Bulk orderers often receive significant discounts on their purchases.