Informational roles 4. The recipient role. The disseminator role. The spokesperson role Decision roles 7. The entrepreneurial role. The disturbance-handler role. The resource allocator role 10. Define Sole proprietorship’. A Business unit that is owned and controlled by a single individual is known as sole trading or sole proprietorship concern. He uses his own savings for running the business. The sole trader makes all purchases and sells on his own and maintains all the accounts. He alone enjoys all the profits and bears all the losses.