... subject himself to such shame and stress. (Para. 5)
Meaning: experience such shame and stress
subject (one / oneself) to: cause to experience or suffer.
The officials subjected him to the worst possible punishment. 当局给予他最严厉的惩罚。
He was subjected to torture. 他受到了严刑拷打。
The scientists subjected the product to a number of severe tests. 科学家对这种产品进行了数次严格测试。