Final answer:
In 'Lord of the Flies,' Piggy and Samneric are the only "biguns" to stay with Ralph as they value the principles of civilization and order, and have a sense of loyalty to Ralph.
Step-by-step explanation:
The "biguns" who have remained with Ralph are Piggy and Samneric (Sam and Eric). This is depicted in William Golding's novel Lord of the Flies. The reason they stay with Ralph is due to their loyalty and adherence to the principles of civilization and order that Ralph tries to maintain.
Piggy clings to the hope of rescue and the intellectual approach of governance, while Samneric remain due to their personal loyalty and perhaps fear of facing the consequences of not conforming to what they perceive as the right side.